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1. Shard Calculation

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Response:

Calculated Shard: 63 (from laksa060)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa063.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/","crawl_time":1767267920,"first_indexed_time":1525918574,"http_code":200,"src_unparsed":"com,plumbingforums!www,\/threads\/well-water-filter-confusion.4855\/ s443","src_root_hash":"14546800391570786663","history_drop_reason":null,"meta_title":"Well water filter confusion | Plumbing Forums - Professional & DIY Plumbing Forum","meta_descriptions":["Hello, Moved into a new house out in the country with well water. There's a pump in the basement along with a sediment filter housing. Everything..."],"attrs_boilerpipe_text":"#1\nHello,\nMoved into a new house out in the country with well water. There's a pump in the basement along with a sediment filter housing.\nEverything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it. I'm totally baffled as to why. If you're going to filter anything, wouldn't you filter drinking water? What's the logic behind filtering hot?\nAny thoughts would be appreciated.\n#2\nInline cartridge in my opinion are useless.  They only filter particles, not chemicals, iron, hardness, manganese or sulphur.  The things that naturally occur in well water.  I would remove the cartridge and forget about it.  Then if you find that there is something you don't like about the water, such as hardness, or iron staining, have the water tested to see how much of the nuisance there is and deal with it with a \"REAL\" filter.  I would also have the PH tested.\n#3\nThanks, I'm leaning towards no filter. But the current setup has me curious. Have you ever heard of only filtering hot water?\n#4\nRestaurants do it all the time for dish washing, but I can't imagine why someone would do that in a home.\n#5\nAround here, a decent numbers of farms use them, I know 1 guy that had to clean out his softener every 3 months before we put inline filters on his system.\nOn the hot only may have been trying to protect something like maybe the dishwasher or hot water heater from surplus build up. Nothing worse then having extra sand particles on your dishes a fine way of wrecking them.\n#6\nYes, definitely use a sediment filter.  I would suggest relocating it so that it covers the whole house though.  Sand, sediment, whatever, you don't want it getting into your plumbing.  It clogs your faucets, showerheads and whatever else it gets into.\nIn a previous house, I had a problem with Hydrogen Sulfide smell.  I was able to add a second filter canister to hold an activated carbon filter.  The carbon did dramatically reduce the smell but were only good for 2-3 weeks.  Kind of a pain but I bought the carbon filters by the case so it didn't cost too much.\n#7\nContrary to popular belief; whole house filters are in tanks the size of softeners not 10\" cartridges.  If you have a simple water softener tank (9\" X 48\" or larger) filled 3\/4 of the way to the top  with carbon, you wouldn't be buying carbon cartridges by the case.  You would be going years without messing with the filter at all.  A simple in\/out head is all that is needed and would pay for itself in a year or so in contrast to the 10\" cartridges.\nMost people don't know that these so called \"whole house filters\" were designed one faucet only.\n#8\nSizing filters should be on a case by case basis.\nI have seen some water system that needed a huge filter to catch all the sand and other junk that came through.  In other cases, a 10\" sediment filter only needs to be changed once a year.  My current house has a well the produces really clear water.  I don't have a filter or softener.\nIn the case of the sulfide in the water I mentioned earlier, I am sure I would have moved to a larger filter system eventually but I moved before I got to that point.\nUnfortunately, it is difficult to get good advice with residential water treatment.  The salesman will push you to buy the thing that give the most profit, not what will fix your water quality issue.\n#9\nI agree, filters should be sized from a water test and for the intended use of the water.  I also agree that a lot of softener salesmen will do anything to get you to buy whatever they want you to have.\nIn a situation where your water is very clean, there would be no use for a cartridge filter in the first place.  Wells should not pump sand either.  But if they do, there are better ways of dealing with it.\nThe problem with cartridge filters is they won't remove anything that could harm you.  They won't remove hardness or clear water iron.  The carbon cartridges will only remove less than a half part of sulphur.  They are used as taste and odor filters.  But a much larger one would be the wise purchase.\nCartridge filters are a major pet peeve of mine and it just bothers me when I see one in a customers plumbing.  It just makes me feel like they got ripped off.\nKULTULZ\nJack of All Trades ~ Master of None\n#10\nEverything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it.\nIs it a cartridge type filter or a closed canister? It may be an attempt to try and remove calcium from the hot water supply (the calcium separates from suspension in the water heater) to keep from fouling appliances.\nI agree, filters should be sized from a water test and for the intended use of the water.\nA complete water analysis is always the first step. Then you would know exactly what has to be controlled. A sediment pre-filter should be on any system (IMO).\nIn a situation where your water is very clean, there would be no use for a cartridge filter in the first place.\nWells should not pump sand either.\nBut if they do, there are better ways of dealing with it\n.\nPlease explain further.\nResearch an H2O2 system for sulfur odor.\nLast edited:\nNov 18, 2014\n#11\nPlease explain further.\nResearch an H2O2 system for sulfur odor.\nCartridge filters or the 10\" inline so called \"Whole House Filters\" are in my opinion a joke.  All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water.  If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals.  Normally not more often than once every six months.  You can use an automatic backwashing head or you an make a backwash possible using several ball valves.  No more cartridges to buy and mess with.  When these cartridge filters came out many years ago, they were 3\/4\" and were used as one faucet filters.  Now they are \"Whole House\"???\nH2O2 works; although I have never tried it.  It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle.  For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only.  It also removes iron, so you kill two birds with one stone.\n#12\nCartridge filters or the 10\" inline so called \"Whole House Filters\" are in my opinion a joke.  All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water.  If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals.  Normally not more often than once every six months.  You can use an automatic backwashing head or you an make a backwash possible using several ball valves.  No more cartridges to buy and mess with.  When these cartridge filters came out many years ago, they were 3\/4\" and were used as one faucet filters.  Now they are \"Whole House\"???\nH2O2 works; although I have never tried it.  It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle.  For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only.  It also removes iron, so you kill two birds with one stone.\nCheck your PM's.\nKULTULZ\nJack of All Trades ~ Master of None\n#13\nIf you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals.  Normally not more often than once every six months.  You can use an automatic backwashing head or you an make a backwash possible using several ball valves.\nI agree. Cartridge type filters are more for municipal water supply (removal of sediment, chlorine, etc.), where the water has been somewhat treated before house entry.\nI personally do not have as much sediment as I do magnesium. I have a pre-filter but it requires changing at least once a month. I got tricked by a filter company as to the promises of a salt free water conditioner. While it may be useful in a low calcium application, it will not touch the Ca level I personally have, and I will have to go with a salt based system it seems.\nSo if a well has sediment\/mineral problems, is considering the actual well advisable?\nFor hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only.\nIt also removes iron, so you kill two birds with one stone.\nhmm....\nTHANX for that idea...\nLast edited:\nNov 19, 2014\n#14\nI agree. Water filtration should be to both lines.  For some reason builders but a hot water line loop for water filtration systems - these guys don't really know anything because there is no need for a hot water line loop.  It should have been installed after the main and pressure regulator.  I'd move your existing filter to the main line if I were you.  It's not going to kill ya but you might as well do it right.","attrs_markdown":"[![Plumbing Forums - Professional & DIY Plumbing Forum](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/assets\/logo_default\/2_logo.png)](https:\/\/www.plumbingforums.com\/)\n\n[![Plumbing Forums - Professional & DIY Plumbing Forum](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/assets\/logo_default\/2_logo.png)](https:\/\/www.plumbingforums.com\/)\n\n- [Forums](https:\/\/www.plumbingforums.com\/)\n  \n  [New posts](https:\/\/www.plumbingforums.com\/whats-new\/posts\/) [Search forums](https:\/\/www.plumbingforums.com\/search\/?type=post)\n- [What's new](https:\/\/www.plumbingforums.com\/whats-new\/)\n  \n  [Featured content](https:\/\/www.plumbingforums.com\/featured\/) [New posts](https:\/\/www.plumbingforums.com\/whats-new\/posts\/) [New media](https:\/\/www.plumbingforums.com\/whats-new\/media\/) [New media comments](https:\/\/www.plumbingforums.com\/whats-new\/media-comments\/) [Latest activity](https:\/\/www.plumbingforums.com\/whats-new\/latest-activity)\n- [Media](https:\/\/www.plumbingforums.com\/media\/)\n  \n  [New media](https:\/\/www.plumbingforums.com\/whats-new\/media\/) [New comments](https:\/\/www.plumbingforums.com\/whats-new\/media-comments\/) [Search media](https:\/\/www.plumbingforums.com\/search\/?type=xfmg_media)\n- [Members](https:\/\/www.plumbingforums.com\/members\/)\n  \n  [Current visitors](https:\/\/www.plumbingforums.com\/online\/)\n\n[Log in](https:\/\/www.plumbingforums.com\/login\/)   [Register](https:\/\/www.plumbingforums.com\/register\/)\n\n[What's new](https:\/\/www.plumbingforums.com\/whats-new\/ \"What's new\")   [Search](https:\/\/www.plumbingforums.com\/search\/ \"Search\")\n\n- [New posts](https:\/\/www.plumbingforums.com\/whats-new\/posts\/)\n- [Search forums](https:\/\/www.plumbingforums.com\/search\/?type=post)\n\nMenu\n\n[Log in](https:\/\/www.plumbingforums.com\/login\/)\n***\n[Register](https:\/\/www.plumbingforums.com\/register\/)\n***\n\nInstall the app\n\nInstall\n\nHow to install the app on iOS\n\nFollow along with the video below to see how to install our site as a web app on your home screen.\n\n**Note:** This feature may not be available in some browsers.\n\n- Explore our other building trades communities:\n  \n  [HVAC Forum](https:\/\/hvac.forum\/) [Masonry Forum](https:\/\/masonryforum.com\/) [Drywall Forum](https:\/\/drywall.forum\/) [Roofing Forum](https:\/\/roofing.forum\/) [Insulation Forum](https:\/\/insulation.forum\/) [Electricians Forum](https:\/\/electricians.forum\/)\n- If you have not, please join our official Plumbing Forum Facebook Group!   \n    \n   [**Plumbing Forum Facebook Group**](https:\/\/www.facebook.com\/groups\/plumbing.forum\/)\n\n- [General Plumbing Discussion](https:\/\/www.plumbingforums.com\/#general-plumbing-discussion.1)\n- [Pumps & Wells](https:\/\/www.plumbingforums.com\/forums\/pumps-wells.10\/)\n\nJavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.\n\nYou are using an out of date browser. It may not display this or other websites correctly.  \nYou should upgrade or use an [alternative browser](https:\/\/www.google.com\/chrome\/).\n\n# Well water filter confusion\n- Thread starter [Coltrane](https:\/\/www.plumbingforums.com\/members\/coltrane.6637\/)\n- Start date\n  [Oct 5, 2013](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/)\n\n[![Support your community](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/uploads\/d44035ce4fb9f8c60d2bbcd0e96578bb.jpg)](https:\/\/www.plumbingforums.com\/account\/upgrades)\n\n[![Gather App](https:\/\/cdn.gather.forum\/Gather400x200.jpg)](https:\/\/gather.forum\/?utm_source=plumbingforums&utm_medium=display&utm_campaign=forums&utm_content=sidebar_300x250)\n\n[![Shop deals on ebay](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/uploads\/f764a19904466f2eb6cbe365df64beb8.webp)](https:\/\/ebay.us\/jxV2Ie)\n\n[![shop deals on amazon](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/uploads\/175c768c3876c811233ffde35840cd07.jpg)](https:\/\/www.amazon.com\/gp\/search?ie=UTF8&tag=forumyield-20&linkCode=ur2&linkId=94be7c690fd911a3556605ecbe5dfc14&camp=1789&creative=9325&index=aps&keywords=plumbing+supplies)\n\n![Plumbing Forums - Professional & DIY Plumbing Forum](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/assets\/logo\/icon-96.png)\n\n### Help Support Plumbing Forums:\n[Donate](https:\/\/www.plumbingforums.com\/donate)\n\nThis site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.\n\n[C](https:\/\/www.plumbingforums.com\/members\/coltrane.6637\/)\n\n#### [Coltrane](https:\/\/www.plumbingforums.com\/members\/coltrane.6637\/)\n##### New Member\n\nJoined\n\nOct 5, 2013\n\nMessages\n\n2\n\nReaction score\n\n0\n\nLocation\n\n[,](https:\/\/www.plumbingforums.com\/misc\/location-info?location=%2C+)\n\n- [Oct 5, 2013](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47674)\n\n- [\\#1](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47674)\n\nHello,  \n   \n Moved into a new house out in the country with well water. There's a pump in the basement along with a sediment filter housing.   \n   \n Everything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it. I'm totally baffled as to why. If you're going to filter anything, wouldn't you filter drinking water? What's the logic behind filtering hot?  \n   \n Any thoughts would be appreciated. ![:-)](https:\/\/cdn.jsdelivr.net\/joypixels\/assets\/8.0\/png\/unicode\/64\/1f642.png)\n\n[![speedbump](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/avatars\/m\/0\/72.jpg?1262787353)](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n\n#### [speedbump](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n##### Retired Pump guy.\n**Professional**\n\nJoined\n\nJan 6, 2010\n\nMessages\n\n1,726\n\nReaction score\n\n219\n\nLocation\n\n[Murphy, NC.](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Murphy%2C+NC.)\n\n- [Oct 5, 2013](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47677)\n\n- [\\#2](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47677)\n\nInline cartridge in my opinion are useless. They only filter particles, not chemicals, iron, hardness, manganese or sulphur. The things that naturally occur in well water. I would remove the cartridge and forget about it. Then if you find that there is something you don't like about the water, such as hardness, or iron staining, have the water tested to see how much of the nuisance there is and deal with it with a \"REAL\" filter. I would also have the PH tested.\n\n[C](https:\/\/www.plumbingforums.com\/members\/coltrane.6637\/)\n\n#### [Coltrane](https:\/\/www.plumbingforums.com\/members\/coltrane.6637\/)\n##### New Member\n\nJoined\n\nOct 5, 2013\n\nMessages\n\n2\n\nReaction score\n\n0\n\nLocation\n\n[,](https:\/\/www.plumbingforums.com\/misc\/location-info?location=%2C+)\n\n- [Oct 6, 2013](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47717)\n\n- [\\#3](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47717)\n\nThanks, I'm leaning towards no filter. But the current setup has me curious. Have you ever heard of only filtering hot water?\n\n[![speedbump](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/avatars\/m\/0\/72.jpg?1262787353)](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n\n#### [speedbump](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n##### Retired Pump guy.\n**Professional**\n\nJoined\n\nJan 6, 2010\n\nMessages\n\n1,726\n\nReaction score\n\n219\n\nLocation\n\n[Murphy, NC.](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Murphy%2C+NC.)\n\n- [Oct 6, 2013](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47720)\n\n- [\\#4](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47720)\n\nRestaurants do it all the time for dish washing, but I can't imagine why someone would do that in a home.\n\n[C](https:\/\/www.plumbingforums.com\/members\/chukar.5837\/)\n\n#### [chukar](https:\/\/www.plumbingforums.com\/members\/chukar.5837\/)\n##### Professional\n**Professional**\n\nJoined\n\nFeb 20, 2013\n\nMessages\n\n108\n\nReaction score\n\n20\n\nLocation\n\n[Reno area, NV, have worked in AB, BC](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Reno+area%2C+NV%2C+have+worked+in+AB%2C+BC)\n\n- [Oct 7, 2013](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47786)\n\n- [\\#5](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-47786)\n\nAround here, a decent numbers of farms use them, I know 1 guy that had to clean out his softener every 3 months before we put inline filters on his system.   \n   \n   \n On the hot only may have been trying to protect something like maybe the dishwasher or hot water heater from surplus build up. Nothing worse then having extra sand particles on your dishes a fine way of wrecking them.\n\n[C](https:\/\/www.plumbingforums.com\/members\/chiraldude.6875\/)\n\n#### [chiraldude](https:\/\/www.plumbingforums.com\/members\/chiraldude.6875\/)\n##### Hardcore DYI-er\n\nJoined\n\nNov 16, 2013\n\nMessages\n\n126\n\nReaction score\n\n27\n\nLocation\n\n[Southern Minnesota](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Southern+Minnesota)\n\n- [Jan 1, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50607)\n\n- [\\#6](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50607)\n\nYes, definitely use a sediment filter. I would suggest relocating it so that it covers the whole house though. Sand, sediment, whatever, you don't want it getting into your plumbing. It clogs your faucets, showerheads and whatever else it gets into.   \n In a previous house, I had a problem with Hydrogen Sulfide smell. I was able to add a second filter canister to hold an activated carbon filter. The carbon did dramatically reduce the smell but were only good for 2-3 weeks. Kind of a pain but I bought the carbon filters by the case so it didn't cost too much.\n\n![PUREPLUS 5 Micron 10\" x 4.5\" Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE FXHTC, GXWH40L, GXWH35F, GNWH38S, Culligan RFC-BBSA, WRC25HD, PP10BB-CC, Pentek RFC-BB, 2Pack](https:\/\/m.media-amazon.com\/images\/I\/41nFeRFUo+L._SL500_.jpg)\n\n\\-26%\n\n\\$29.44 (\\$14.72 \/ count) \\$39.99 (\\$20.00 \/ count)\n\n[PUREPLUS 5 Micron 10\" x 4.5\" Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE FXHTC, GXWH40L, GXWH35F, GNWH38S, Culligan RFC-BBSA, WRC25HD, PP10BB-CC, Pentek RFC-BB, 2Pack](https:\/\/www.amazon.com\/dp\/B01N2H2OO6?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) PUREPLUS FILTERS\n\n![Whole House 3-Stage Water Filtration System, 3\/4\" port with 2 valves and extra 1 year filter supply (2 sets, 6 pcs)](https:\/\/m.media-amazon.com\/images\/I\/41CavVq88aL._SL500_.jpg)\n\n\\$167.00\n\n[Whole House 3-Stage Water Filtration System, 3\/4\" port with 2 valves and extra 1 year filter supply (2 sets, 6 pcs)](https:\/\/www.amazon.com\/dp\/B07L4FWX8B?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) My Water Club\n\n![Aquaboon 5 Micron 10 x 2.5 Sediment Filter - Whole House Water Filter Replacement Compatible with Well Water Filters - P5, AP110, WHKF-GD05, 6 Pack](https:\/\/m.media-amazon.com\/images\/I\/51legCQsiAL._SL500_.jpg)\n\n\\$23.79 (\\$3.96 \/ count)\n\n[Aquaboon 5 Micron 10 x 2.5 Sediment Filter - Whole House Water Filter Replacement Compatible with Well Water Filters - P5, AP110, WHKF-GD05, 6 Pack](https:\/\/www.amazon.com\/dp\/B01M01EDHK?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) FILTERWAY\n\n![8-Stage Gravity Water Filtration System 3.0 Gallon-304 Stainless Steel Countertop System with 4 Filters and StandReduce 99.9% Chlorine, NSF\/ANS 42 Certifcation](https:\/\/m.media-amazon.com\/images\/I\/41QUGTTW4bL._SL500_.jpg)\n\n\\$129.99\n\n[8-Stage Gravity Water Filtration System 3.0 Gallon-304 Stainless Steel Countertop System with 4 Filters and StandReduce 99.9% Chlorine, NSF\/ANS 42 Certifcation](https:\/\/www.amazon.com\/dp\/B0CZ768ZKM?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) IceJoy\n\n![AQUA CREST FXHSC Whole House Water Filter, Replacement for GE® FXHSC, GXWH40L, GXWH35F, American Plumber W50PEHD, W10-PR, Culligan® R50-BBSA, 5 Micron 10\" x 4.5\", High Flow Sediment Filters, Pack of 2](https:\/\/m.media-amazon.com\/images\/I\/51g-3EEtTnL._SL500_.jpg)\n\n\\-11%\n\n\\$23.99 (\\$12.00 \/ count) \\$26.99 (\\$13.50 \/ count)\n\n[AQUA CREST FXHSC Whole House Water Filter, Replacement for GE® FXHSC, GXWH40L, GXWH35F, American Plumber W50PEHD, W10-PR, Culligan® R50-BBSA, 5 Micron 10\" x 4.5\", High Flow Sediment Filters, Pack of 2](https:\/\/www.amazon.com\/dp\/B01L06EJ72?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Water Purity Expert\n\n![SALTDIP™ 2-in-1 Electronic Salt Water Tester](https:\/\/m.media-amazon.com\/images\/I\/31EEBg9IfmL._SL500_.jpg)\n\n\\$185.79\n\n[SALTDIP™ 2-in-1 Electronic Salt Water Tester](https:\/\/www.amazon.com\/dp\/B00B3ZP7YK?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Four Seasons Pool Supply\n\n![Waterdrop Gravity-fed Water Filter System, with Upgrade 3 Black Carbon Filters and Metal Spigot, 9000 Gallon Longer Lifespan and 150% Faster Flow, King Tank Series, 2.25G](https:\/\/m.media-amazon.com\/images\/I\/31Z502QNNoL._SL500_.jpg)\n\n\\$169.99\n\n[Waterdrop Gravity-fed Water Filter System, with Upgrade 3 Black Carbon Filters and Metal Spigot, 9000 Gallon Longer Lifespan and 150% Faster Flow, King Tank Series, 2.25G](https:\/\/www.amazon.com\/dp\/B0CYG13TCN?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) WaterdropDirect\n\n![APEC Water Systems WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System](https:\/\/m.media-amazon.com\/images\/I\/41EzrAoTcsL._SL500_.jpg)\n\n\\-9%\n\n\\$127.35 \\$139.95\n\n[APEC Water Systems WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System](https:\/\/www.amazon.com\/dp\/B00TT9I2PS?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Amazon.com\n\n![3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Prevents Scale Build Up On Hot Water Heaters and Boilers](https:\/\/m.media-amazon.com\/images\/I\/31OJ4VblumL._SL500_.jpg)\n\n\\$106.90\n\n[3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Prevents Scale Build Up On Hot Water Heaters and Boilers](https:\/\/www.amazon.com\/dp\/B000NKETXQ?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Amazon.com\n\n![iSpring Whole House Water Filter System, Highly Reduces Sediment, Taste, Odor, and up to 99% Chlorine, 3-Stage w\/ 20-Inch Sediment and Carbon Block Filters, Model: WGB32B, 1\" Inlet\/Outlet](https:\/\/m.media-amazon.com\/images\/I\/51H1z1OxBbL._SL500_.jpg)\n\n\\-19%\n\n\\$420.00 \\$516.99\n\n[iSpring Whole House Water Filter System, Highly Reduces Sediment, Taste, Odor, and up to 99% Chlorine, 3-Stage w\/ 20-Inch Sediment and Carbon Block Filters, Model: WGB32B, 1\" Inlet\/Outlet](https:\/\/www.amazon.com\/dp\/B008GNRMYK?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Amazon.com\n\n[![speedbump](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/avatars\/m\/0\/72.jpg?1262787353)](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n\n#### [speedbump](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n##### Retired Pump guy.\n**Professional**\n\nJoined\n\nJan 6, 2010\n\nMessages\n\n1,726\n\nReaction score\n\n219\n\nLocation\n\n[Murphy, NC.](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Murphy%2C+NC.)\n\n- [Jan 2, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50614)\n\n- [\\#7](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50614)\n\nContrary to popular belief; whole house filters are in tanks the size of softeners not 10\" cartridges. If you have a simple water softener tank (9\" X 48\" or larger) filled 3\/4 of the way to the top with carbon, you wouldn't be buying carbon cartridges by the case. You would be going years without messing with the filter at all. A simple in\/out head is all that is needed and would pay for itself in a year or so in contrast to the 10\" cartridges.   \n   \n Most people don't know that these so called \"whole house filters\" were designed one faucet only.\n\n- ![Like](https:\/\/cdn.jsdelivr.net\/joypixels\/assets\/8.0\/png\/unicode\/64\/1f44d.png)\n\nReactions:\n\n[johnjh2o](https:\/\/www.plumbingforums.com\/posts\/50614\/reactions)\n\n[C](https:\/\/www.plumbingforums.com\/members\/chiraldude.6875\/)\n\n#### [chiraldude](https:\/\/www.plumbingforums.com\/members\/chiraldude.6875\/)\n##### Hardcore DYI-er\n\nJoined\n\nNov 16, 2013\n\nMessages\n\n126\n\nReaction score\n\n27\n\nLocation\n\n[Southern Minnesota](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Southern+Minnesota)\n\n- [Jan 2, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50618)\n\n- [\\#8](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50618)\n\nSizing filters should be on a case by case basis.  \n I have seen some water system that needed a huge filter to catch all the sand and other junk that came through. In other cases, a 10\" sediment filter only needs to be changed once a year. My current house has a well the produces really clear water. I don't have a filter or softener.   \n In the case of the sulfide in the water I mentioned earlier, I am sure I would have moved to a larger filter system eventually but I moved before I got to that point.   \n Unfortunately, it is difficult to get good advice with residential water treatment. The salesman will push you to buy the thing that give the most profit, not what will fix your water quality issue.\n\n[![speedbump](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/avatars\/m\/0\/72.jpg?1262787353)](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n\n#### [speedbump](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n##### Retired Pump guy.\n**Professional**\n\nJoined\n\nJan 6, 2010\n\nMessages\n\n1,726\n\nReaction score\n\n219\n\nLocation\n\n[Murphy, NC.](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Murphy%2C+NC.)\n\n- [Jan 2, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50620)\n\n- [\\#9](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-50620)\n\nI agree, filters should be sized from a water test and for the intended use of the water. I also agree that a lot of softener salesmen will do anything to get you to buy whatever they want you to have.   \n   \n In a situation where your water is very clean, there would be no use for a cartridge filter in the first place. Wells should not pump sand either. But if they do, there are better ways of dealing with it.  \n   \n The problem with cartridge filters is they won't remove anything that could harm you. They won't remove hardness or clear water iron. The carbon cartridges will only remove less than a half part of sulphur. They are used as taste and odor filters. But a much larger one would be the wise purchase.  \n   \n Cartridge filters are a major pet peeve of mine and it just bothers me when I see one in a customers plumbing. It just makes me feel like they got ripped off.\n\n[![KULTULZ](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/avatars\/m\/2\/2220.jpg?1422093121)](https:\/\/www.plumbingforums.com\/members\/kultulz.2220\/)\n\n#### [KULTULZ](https:\/\/www.plumbingforums.com\/members\/kultulz.2220\/)\n##### Jack of All Trades ~ Master of None\n**Professional**\n\nJoined\n\nSep 4, 2011\n\nMessages\n\n1,534\n\nReaction score\n\n318\n\nLocation\n\n[Between Lost And Found, W (BY GOD) V](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Between+Lost+And+Found%2C+W+%28BY+GOD%29+V)\n\n- [Nov 18, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58858)\n\n- [\\#10](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58858)\n\n> [Coltrane said:](https:\/\/www.plumbingforums.com\/goto\/post?id=47674)\n> \n> Everything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it.\n> \n> [Click to expand...]()\n\nIs it a cartridge type filter or a closed canister? It may be an attempt to try and remove calcium from the hot water supply (the calcium separates from suspension in the water heater) to keep from fouling appliances.\n\n> [speedbump said:](https:\/\/www.plumbingforums.com\/goto\/post?id=50620)\n> \n> I agree, filters should be sized from a water test and for the intended use of the water.\n> \n> [Click to expand...]()\n\nA complete water analysis is always the first step. Then you would know exactly what has to be controlled. A sediment pre-filter should be on any system (IMO).\n\n> In a situation where your water is very clean, there would be no use for a cartridge filter in the first place.   \n>    \n>  Wells should not pump sand either. **But if they do, there are better ways of dealing with it**.\n> \n> [Click to expand...]()\n\nPlease explain further.  \n   \n Research an H2O2 system for sulfur odor.\n\nLast edited:\n\nNov 18, 2014\n\n[![speedbump](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/avatars\/m\/0\/72.jpg?1262787353)](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n\n#### [speedbump](https:\/\/www.plumbingforums.com\/members\/speedbump.72\/)\n##### Retired Pump guy.\n**Professional**\n\nJoined\n\nJan 6, 2010\n\nMessages\n\n1,726\n\nReaction score\n\n219\n\nLocation\n\n[Murphy, NC.](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Murphy%2C+NC.)\n\n- [Nov 18, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58864)\n\n- [\\#11](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58864)\n\n> Please explain further.  \n>    \n>  Research an H2O2 system for sulfur odor.\n> \n> [Click to expand...]()\n\nCartridge filters or the 10\" inline so called \"Whole House Filters\" are in my opinion a joke. All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water. If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. No more cartridges to buy and mess with. When these cartridge filters came out many years ago, they were 3\/4\" and were used as one faucet filters. Now they are \"Whole House\"???  \n   \n H2O2 works; although I have never tried it. It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle. For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. It also removes iron, so you kill two birds with one stone.\n\n[P](https:\/\/www.plumbingforums.com\/members\/phishfood.215\/)\n\n#### [phishfood](https:\/\/www.plumbingforums.com\/members\/phishfood.215\/)\n##### Professional\n**Professional**\n\n[****Supporting Member****](https:\/\/www.plumbingforums.com\/account\/upgrades)\n\nJoined\n\nJan 17, 2010\n\nMessages\n\n5,775\n\nReaction score\n\n999\n\nLocation\n\n[Orlando, FL](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Orlando%2C+FL)\n\n- [Nov 18, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58892)\n\n- [\\#12](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58892)\n\n> [speedbump said:](https:\/\/www.plumbingforums.com\/goto\/post?id=58864)\n> \n> Cartridge filters or the 10\" inline so called \"Whole House Filters\" are in my opinion a joke. All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water. If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. No more cartridges to buy and mess with. When these cartridge filters came out many years ago, they were 3\/4\" and were used as one faucet filters. Now they are \"Whole House\"???  \n>    \n>  H2O2 works; although I have never tried it. It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle. For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. It also removes iron, so you kill two birds with one stone.\n> \n> [Click to expand...]()\n\nCheck your PM's.\n\n[![KULTULZ](https:\/\/cdn2.imagearchive.com\/plumbingforums\/data\/avatars\/m\/2\/2220.jpg?1422093121)](https:\/\/www.plumbingforums.com\/members\/kultulz.2220\/)\n\n#### [KULTULZ](https:\/\/www.plumbingforums.com\/members\/kultulz.2220\/)\n##### Jack of All Trades ~ Master of None\n**Professional**\n\nJoined\n\nSep 4, 2011\n\nMessages\n\n1,534\n\nReaction score\n\n318\n\nLocation\n\n[Between Lost And Found, W (BY GOD) V](https:\/\/www.plumbingforums.com\/misc\/location-info?location=Between+Lost+And+Found%2C+W+%28BY+GOD%29+V)\n\n- [Nov 19, 2014](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58901)\n\n- [\\#13](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-58901)\n\n> [speedbump said:](https:\/\/www.plumbingforums.com\/goto\/post?id=58864)\n> \n> If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves.\n> \n> [Click to expand...]()\n\nI agree. Cartridge type filters are more for municipal water supply (removal of sediment, chlorine, etc.), where the water has been somewhat treated before house entry.  \n   \n I personally do not have as much sediment as I do magnesium. I have a pre-filter but it requires changing at least once a month. I got tricked by a filter company as to the promises of a salt free water conditioner. While it may be useful in a low calcium application, it will not touch the Ca level I personally have, and I will have to go with a salt based system it seems.  \n   \n So if a well has sediment\/mineral problems, is considering the actual well advisable?\n\n> For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only.   \n>    \n>  It also removes iron, so you kill two birds with one stone.\n> \n> [Click to expand...]()\n\nhmm....  \n   \n THANX for that idea... ![;)](https:\/\/cdn.jsdelivr.net\/joypixels\/assets\/8.0\/png\/unicode\/64\/1f609.png)\n\nLast edited:\n\nNov 19, 2014\n\n[I](https:\/\/www.plumbingforums.com\/members\/isopurewater.8508\/)\n\n#### [isopurewater](https:\/\/www.plumbingforums.com\/members\/isopurewater.8508\/)\n##### CWS IV with WQA Member\n\nJoined\n\nDec 31, 2014\n\nMessages\n\n4\n\nReaction score\n\n0\n\nLocation\n\n[,](https:\/\/www.plumbingforums.com\/misc\/location-info?location=%2C+)\n\n- [Jan 9, 2015](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-61000)\n\n- [\\#14](https:\/\/www.plumbingforums.com\/threads\/well-water-filter-confusion.4855\/post-61000)\n\nI agree. Water filtration should be to both lines. For some reason builders but a hot water line loop for water filtration systems - these guys don't really know anything because there is no need for a hot water line loop. It should have been installed after the main and pressure regulator. I'd move your existing filter to the main line if I were you. 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Boilerpipe Text	#1 Hello, Moved into a new house out in the country with well water. There's a pump in the basement along with a sediment filter housing. Everything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it. I'm totally baffled as to why. If you're going to filter anything, wouldn't you filter drinking water? What's the logic behind filtering hot? Any thoughts would be appreciated. #2 Inline cartridge in my opinion are useless. They only filter particles, not chemicals, iron, hardness, manganese or sulphur. The things that naturally occur in well water. I would remove the cartridge and forget about it. Then if you find that there is something you don't like about the water, such as hardness, or iron staining, have the water tested to see how much of the nuisance there is and deal with it with a "REAL" filter. I would also have the PH tested. #3 Thanks, I'm leaning towards no filter. But the current setup has me curious. Have you ever heard of only filtering hot water? #4 Restaurants do it all the time for dish washing, but I can't imagine why someone would do that in a home. #5 Around here, a decent numbers of farms use them, I know 1 guy that had to clean out his softener every 3 months before we put inline filters on his system. On the hot only may have been trying to protect something like maybe the dishwasher or hot water heater from surplus build up. Nothing worse then having extra sand particles on your dishes a fine way of wrecking them. #6 Yes, definitely use a sediment filter. I would suggest relocating it so that it covers the whole house though. Sand, sediment, whatever, you don't want it getting into your plumbing. It clogs your faucets, showerheads and whatever else it gets into. In a previous house, I had a problem with Hydrogen Sulfide smell. I was able to add a second filter canister to hold an activated carbon filter. The carbon did dramatically reduce the smell but were only good for 2-3 weeks. Kind of a pain but I bought the carbon filters by the case so it didn't cost too much. #7 Contrary to popular belief; whole house filters are in tanks the size of softeners not 10" cartridges. If you have a simple water softener tank (9" X 48" or larger) filled 3/4 of the way to the top with carbon, you wouldn't be buying carbon cartridges by the case. You would be going years without messing with the filter at all. A simple in/out head is all that is needed and would pay for itself in a year or so in contrast to the 10" cartridges. Most people don't know that these so called "whole house filters" were designed one faucet only. #8 Sizing filters should be on a case by case basis. I have seen some water system that needed a huge filter to catch all the sand and other junk that came through. In other cases, a 10" sediment filter only needs to be changed once a year. My current house has a well the produces really clear water. I don't have a filter or softener. In the case of the sulfide in the water I mentioned earlier, I am sure I would have moved to a larger filter system eventually but I moved before I got to that point. Unfortunately, it is difficult to get good advice with residential water treatment. The salesman will push you to buy the thing that give the most profit, not what will fix your water quality issue. #9 I agree, filters should be sized from a water test and for the intended use of the water. I also agree that a lot of softener salesmen will do anything to get you to buy whatever they want you to have. In a situation where your water is very clean, there would be no use for a cartridge filter in the first place. Wells should not pump sand either. But if they do, there are better ways of dealing with it. The problem with cartridge filters is they won't remove anything that could harm you. They won't remove hardness or clear water iron. The carbon cartridges will only remove less than a half part of sulphur. They are used as taste and odor filters. But a much larger one would be the wise purchase. Cartridge filters are a major pet peeve of mine and it just bothers me when I see one in a customers plumbing. It just makes me feel like they got ripped off. KULTULZ Jack of All Trades ~ Master of None #10 Everything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it. Is it a cartridge type filter or a closed canister? It may be an attempt to try and remove calcium from the hot water supply (the calcium separates from suspension in the water heater) to keep from fouling appliances. I agree, filters should be sized from a water test and for the intended use of the water. A complete water analysis is always the first step. Then you would know exactly what has to be controlled. A sediment pre-filter should be on any system (IMO). In a situation where your water is very clean, there would be no use for a cartridge filter in the first place. Wells should not pump sand either. But if they do, there are better ways of dealing with it . Please explain further. Research an H2O2 system for sulfur odor. Last edited: Nov 18, 2014 #11 Please explain further. Research an H2O2 system for sulfur odor. Cartridge filters or the 10" inline so called "Whole House Filters" are in my opinion a joke. All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water. If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. No more cartridges to buy and mess with. When these cartridge filters came out many years ago, they were 3/4" and were used as one faucet filters. Now they are "Whole House"??? H2O2 works; although I have never tried it. It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle. For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. It also removes iron, so you kill two birds with one stone. #12 Cartridge filters or the 10" inline so called "Whole House Filters" are in my opinion a joke. All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water. If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. No more cartridges to buy and mess with. When these cartridge filters came out many years ago, they were 3/4" and were used as one faucet filters. Now they are "Whole House"??? H2O2 works; although I have never tried it. It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle. For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. It also removes iron, so you kill two birds with one stone. Check your PM's. KULTULZ Jack of All Trades ~ Master of None #13 If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. I agree. Cartridge type filters are more for municipal water supply (removal of sediment, chlorine, etc.), where the water has been somewhat treated before house entry. I personally do not have as much sediment as I do magnesium. I have a pre-filter but it requires changing at least once a month. I got tricked by a filter company as to the promises of a salt free water conditioner. While it may be useful in a low calcium application, it will not touch the Ca level I personally have, and I will have to go with a salt based system it seems. So if a well has sediment/mineral problems, is considering the actual well advisable? For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. It also removes iron, so you kill two birds with one stone. hmm.... THANX for that idea... Last edited: Nov 19, 2014 #14 I agree. Water filtration should be to both lines. For some reason builders but a hot water line loop for water filtration systems - these guys don't really know anything because there is no need for a hot water line loop. It should have been installed after the main and pressure regulator. I'd move your existing filter to the main line if I were you. It's not going to kill ya but you might as well do it right.
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You should upgrade or use an [alternative browser](https://www.google.com/chrome/). # Well water filter confusion - Thread starter [Coltrane](https://www.plumbingforums.com/members/coltrane.6637/) - Start date [Oct 5, 2013](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/) [![Support your community](https://cdn2.imagearchive.com/plumbingforums/data/uploads/d44035ce4fb9f8c60d2bbcd0e96578bb.jpg)](https://www.plumbingforums.com/account/upgrades) [![Gather App](https://cdn.gather.forum/Gather400x200.jpg)](https://gather.forum/?utm_source=plumbingforums&utm_medium=display&utm_campaign=forums&utm_content=sidebar_300x250) [![Shop deals on ebay](https://cdn2.imagearchive.com/plumbingforums/data/uploads/f764a19904466f2eb6cbe365df64beb8.webp)](https://ebay.us/jxV2Ie) [![shop deals on amazon](https://cdn2.imagearchive.com/plumbingforums/data/uploads/175c768c3876c811233ffde35840cd07.jpg)](https://www.amazon.com/gp/search?ie=UTF8&tag=forumyield-20&linkCode=ur2&linkId=94be7c690fd911a3556605ecbe5dfc14&camp=1789&creative=9325&index=aps&keywords=plumbing+supplies) ![Plumbing Forums - Professional & DIY Plumbing Forum](https://cdn2.imagearchive.com/plumbingforums/data/assets/logo/icon-96.png) ### Help Support Plumbing Forums: [Donate](https://www.plumbingforums.com/donate) This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. [C](https://www.plumbingforums.com/members/coltrane.6637/) #### [Coltrane](https://www.plumbingforums.com/members/coltrane.6637/) ##### New Member Joined Oct 5, 2013 Messages 2 Reaction score 0 Location [,](https://www.plumbingforums.com/misc/location-info?location=%2C+) - [Oct 5, 2013](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47674) - [\#1](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47674) Hello, Moved into a new house out in the country with well water. There's a pump in the basement along with a sediment filter housing. Everything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it. I'm totally baffled as to why. If you're going to filter anything, wouldn't you filter drinking water? What's the logic behind filtering hot? Any thoughts would be appreciated. ![:-)](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png) [![speedbump](https://cdn2.imagearchive.com/plumbingforums/data/avatars/m/0/72.jpg?1262787353)](https://www.plumbingforums.com/members/speedbump.72/) #### [speedbump](https://www.plumbingforums.com/members/speedbump.72/) ##### Retired Pump guy. Professional Joined Jan 6, 2010 Messages 1,726 Reaction score 219 Location [Murphy, NC.](https://www.plumbingforums.com/misc/location-info?location=Murphy%2C+NC.) - [Oct 5, 2013](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47677) - [\#2](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47677) Inline cartridge in my opinion are useless. They only filter particles, not chemicals, iron, hardness, manganese or sulphur. The things that naturally occur in well water. I would remove the cartridge and forget about it. Then if you find that there is something you don't like about the water, such as hardness, or iron staining, have the water tested to see how much of the nuisance there is and deal with it with a "REAL" filter. I would also have the PH tested. [C](https://www.plumbingforums.com/members/coltrane.6637/) #### [Coltrane](https://www.plumbingforums.com/members/coltrane.6637/) ##### New Member Joined Oct 5, 2013 Messages 2 Reaction score 0 Location [,](https://www.plumbingforums.com/misc/location-info?location=%2C+) - [Oct 6, 2013](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47717) - [\#3](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47717) Thanks, I'm leaning towards no filter. But the current setup has me curious. Have you ever heard of only filtering hot water? [![speedbump](https://cdn2.imagearchive.com/plumbingforums/data/avatars/m/0/72.jpg?1262787353)](https://www.plumbingforums.com/members/speedbump.72/) #### [speedbump](https://www.plumbingforums.com/members/speedbump.72/) ##### Retired Pump guy. Professional Joined Jan 6, 2010 Messages 1,726 Reaction score 219 Location [Murphy, NC.](https://www.plumbingforums.com/misc/location-info?location=Murphy%2C+NC.) - [Oct 6, 2013](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47720) - [\#4](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47720) Restaurants do it all the time for dish washing, but I can't imagine why someone would do that in a home. [C](https://www.plumbingforums.com/members/chukar.5837/) #### [chukar](https://www.plumbingforums.com/members/chukar.5837/) ##### Professional Professional Joined Feb 20, 2013 Messages 108 Reaction score 20 Location [Reno area, NV, have worked in AB, BC](https://www.plumbingforums.com/misc/location-info?location=Reno+area%2C+NV%2C+have+worked+in+AB%2C+BC) - [Oct 7, 2013](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47786) - [\#5](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-47786) Around here, a decent numbers of farms use them, I know 1 guy that had to clean out his softener every 3 months before we put inline filters on his system. On the hot only may have been trying to protect something like maybe the dishwasher or hot water heater from surplus build up. Nothing worse then having extra sand particles on your dishes a fine way of wrecking them. [C](https://www.plumbingforums.com/members/chiraldude.6875/) #### [chiraldude](https://www.plumbingforums.com/members/chiraldude.6875/) ##### Hardcore DYI-er Joined Nov 16, 2013 Messages 126 Reaction score 27 Location [Southern Minnesota](https://www.plumbingforums.com/misc/location-info?location=Southern+Minnesota) - [Jan 1, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50607) - [\#6](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50607) Yes, definitely use a sediment filter. I would suggest relocating it so that it covers the whole house though. Sand, sediment, whatever, you don't want it getting into your plumbing. It clogs your faucets, showerheads and whatever else it gets into. In a previous house, I had a problem with Hydrogen Sulfide smell. I was able to add a second filter canister to hold an activated carbon filter. The carbon did dramatically reduce the smell but were only good for 2-3 weeks. Kind of a pain but I bought the carbon filters by the case so it didn't cost too much. ![PUREPLUS 5 Micron 10" x 4.5" Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE FXHTC, GXWH40L, GXWH35F, GNWH38S, Culligan RFC-BBSA, WRC25HD, PP10BB-CC, Pentek RFC-BB, 2Pack](https://m.media-amazon.com/images/I/41nFeRFUo+L._SL500_.jpg) \-26% \$29.44 (\$14.72 / count) \$39.99 (\$20.00 / count) [PUREPLUS 5 Micron 10" x 4.5" Whole House Sediment and Carbon Water Filter Replacement Cartridge for GE FXHTC, GXWH40L, GXWH35F, GNWH38S, Culligan RFC-BBSA, WRC25HD, PP10BB-CC, Pentek RFC-BB, 2Pack](https://www.amazon.com/dp/B01N2H2OO6?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) PUREPLUS FILTERS ![Whole House 3-Stage Water Filtration System, 3/4" port with 2 valves and extra 1 year filter supply (2 sets, 6 pcs)](https://m.media-amazon.com/images/I/41CavVq88aL._SL500_.jpg) \$167.00 [Whole House 3-Stage Water Filtration System, 3/4" port with 2 valves and extra 1 year filter supply (2 sets, 6 pcs)](https://www.amazon.com/dp/B07L4FWX8B?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) My Water Club ![Aquaboon 5 Micron 10 x 2.5 Sediment Filter - Whole House Water Filter Replacement Compatible with Well Water Filters - P5, AP110, WHKF-GD05, 6 Pack](https://m.media-amazon.com/images/I/51legCQsiAL._SL500_.jpg) \$23.79 (\$3.96 / count) [Aquaboon 5 Micron 10 x 2.5 Sediment Filter - Whole House Water Filter Replacement Compatible with Well Water Filters - P5, AP110, WHKF-GD05, 6 Pack](https://www.amazon.com/dp/B01M01EDHK?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) FILTERWAY ![8-Stage Gravity Water Filtration System 3.0 Gallon-304 Stainless Steel Countertop System with 4 Filters and StandReduce 99.9% Chlorine, NSF/ANS 42 Certifcation](https://m.media-amazon.com/images/I/41QUGTTW4bL._SL500_.jpg) \$129.99 [8-Stage Gravity Water Filtration System 3.0 Gallon-304 Stainless Steel Countertop System with 4 Filters and StandReduce 99.9% Chlorine, NSF/ANS 42 Certifcation](https://www.amazon.com/dp/B0CZ768ZKM?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) IceJoy ![AQUA CREST FXHSC Whole House Water Filter, Replacement for GE® FXHSC, GXWH40L, GXWH35F, American Plumber W50PEHD, W10-PR, Culligan® R50-BBSA, 5 Micron 10" x 4.5", High Flow Sediment Filters, Pack of 2](https://m.media-amazon.com/images/I/51g-3EEtTnL._SL500_.jpg) \-11% \$23.99 (\$12.00 / count) \$26.99 (\$13.50 / count) [AQUA CREST FXHSC Whole House Water Filter, Replacement for GE® FXHSC, GXWH40L, GXWH35F, American Plumber W50PEHD, W10-PR, Culligan® R50-BBSA, 5 Micron 10" x 4.5", High Flow Sediment Filters, Pack of 2](https://www.amazon.com/dp/B01L06EJ72?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Water Purity Expert ![SALTDIP™ 2-in-1 Electronic Salt Water Tester](https://m.media-amazon.com/images/I/31EEBg9IfmL._SL500_.jpg) \$185.79 [SALTDIP™ 2-in-1 Electronic Salt Water Tester](https://www.amazon.com/dp/B00B3ZP7YK?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Four Seasons Pool Supply ![Waterdrop Gravity-fed Water Filter System, with Upgrade 3 Black Carbon Filters and Metal Spigot, 9000 Gallon Longer Lifespan and 150% Faster Flow, King Tank Series, 2.25G](https://m.media-amazon.com/images/I/31Z502QNNoL._SL500_.jpg) \$169.99 [Waterdrop Gravity-fed Water Filter System, with Upgrade 3 Black Carbon Filters and Metal Spigot, 9000 Gallon Longer Lifespan and 150% Faster Flow, King Tank Series, 2.25G](https://www.amazon.com/dp/B0CYG13TCN?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) WaterdropDirect ![APEC Water Systems WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System](https://m.media-amazon.com/images/I/41EzrAoTcsL._SL500_.jpg) \-9% \$127.35 \$139.95 [APEC Water Systems WFS-1000 Super Capacity Premium Quality 3 Stage Under-Sink Water Filter System](https://www.amazon.com/dp/B00TT9I2PS?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Amazon.com ![3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Prevents Scale Build Up On Hot Water Heaters and Boilers](https://m.media-amazon.com/images/I/31OJ4VblumL._SL500_.jpg) \$106.90 [3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Prevents Scale Build Up On Hot Water Heaters and Boilers](https://www.amazon.com/dp/B000NKETXQ?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Amazon.com ![iSpring Whole House Water Filter System, Highly Reduces Sediment, Taste, Odor, and up to 99% Chlorine, 3-Stage w/ 20-Inch Sediment and Carbon Block Filters, Model: WGB32B, 1" Inlet/Outlet](https://m.media-amazon.com/images/I/51H1z1OxBbL._SL500_.jpg) \-19% \$420.00 \$516.99 [iSpring Whole House Water Filter System, Highly Reduces Sediment, Taste, Odor, and up to 99% Chlorine, 3-Stage w/ 20-Inch Sediment and Carbon Block Filters, Model: WGB32B, 1" Inlet/Outlet](https://www.amazon.com/dp/B008GNRMYK?tag=threadproductcarousel-20&linkCode=osi&th=1&psc=1&language=en_US) Amazon.com [![speedbump](https://cdn2.imagearchive.com/plumbingforums/data/avatars/m/0/72.jpg?1262787353)](https://www.plumbingforums.com/members/speedbump.72/) #### [speedbump](https://www.plumbingforums.com/members/speedbump.72/) ##### Retired Pump guy. Professional Joined Jan 6, 2010 Messages 1,726 Reaction score 219 Location [Murphy, NC.](https://www.plumbingforums.com/misc/location-info?location=Murphy%2C+NC.) - [Jan 2, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50614) - [\#7](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50614) Contrary to popular belief; whole house filters are in tanks the size of softeners not 10" cartridges. If you have a simple water softener tank (9" X 48" or larger) filled 3/4 of the way to the top with carbon, you wouldn't be buying carbon cartridges by the case. You would be going years without messing with the filter at all. A simple in/out head is all that is needed and would pay for itself in a year or so in contrast to the 10" cartridges. Most people don't know that these so called "whole house filters" were designed one faucet only. - ![Like](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f44d.png) Reactions: [johnjh2o](https://www.plumbingforums.com/posts/50614/reactions) [C](https://www.plumbingforums.com/members/chiraldude.6875/) #### [chiraldude](https://www.plumbingforums.com/members/chiraldude.6875/) ##### Hardcore DYI-er Joined Nov 16, 2013 Messages 126 Reaction score 27 Location [Southern Minnesota](https://www.plumbingforums.com/misc/location-info?location=Southern+Minnesota) - [Jan 2, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50618) - [\#8](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50618) Sizing filters should be on a case by case basis. I have seen some water system that needed a huge filter to catch all the sand and other junk that came through. In other cases, a 10" sediment filter only needs to be changed once a year. My current house has a well the produces really clear water. I don't have a filter or softener. In the case of the sulfide in the water I mentioned earlier, I am sure I would have moved to a larger filter system eventually but I moved before I got to that point. Unfortunately, it is difficult to get good advice with residential water treatment. The salesman will push you to buy the thing that give the most profit, not what will fix your water quality issue. [![speedbump](https://cdn2.imagearchive.com/plumbingforums/data/avatars/m/0/72.jpg?1262787353)](https://www.plumbingforums.com/members/speedbump.72/) #### [speedbump](https://www.plumbingforums.com/members/speedbump.72/) ##### Retired Pump guy. Professional Joined Jan 6, 2010 Messages 1,726 Reaction score 219 Location [Murphy, NC.](https://www.plumbingforums.com/misc/location-info?location=Murphy%2C+NC.) - [Jan 2, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50620) - [\#9](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-50620) I agree, filters should be sized from a water test and for the intended use of the water. I also agree that a lot of softener salesmen will do anything to get you to buy whatever they want you to have. In a situation where your water is very clean, there would be no use for a cartridge filter in the first place. Wells should not pump sand either. But if they do, there are better ways of dealing with it. The problem with cartridge filters is they won't remove anything that could harm you. They won't remove hardness or clear water iron. The carbon cartridges will only remove less than a half part of sulphur. They are used as taste and odor filters. But a much larger one would be the wise purchase. Cartridge filters are a major pet peeve of mine and it just bothers me when I see one in a customers plumbing. It just makes me feel like they got ripped off. [![KULTULZ](https://cdn2.imagearchive.com/plumbingforums/data/avatars/m/2/2220.jpg?1422093121)](https://www.plumbingforums.com/members/kultulz.2220/) #### [KULTULZ](https://www.plumbingforums.com/members/kultulz.2220/) ##### Jack of All Trades ~ Master of None Professional Joined Sep 4, 2011 Messages 1,534 Reaction score 318 Location [Between Lost And Found, W (BY GOD) V](https://www.plumbingforums.com/misc/location-info?location=Between+Lost+And+Found%2C+W+%28BY+GOD%29+V) - [Nov 18, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58858) - [\#10](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58858) > [Coltrane said:](https://www.plumbingforums.com/goto/post?id=47674) > > Everything seemed normal until we actually looked at it closely and ran some tests. Turns out that only the hot water passes through the filter -- there's another pipe for cold which bypasses it. > > [Click to expand...]() Is it a cartridge type filter or a closed canister? It may be an attempt to try and remove calcium from the hot water supply (the calcium separates from suspension in the water heater) to keep from fouling appliances. > [speedbump said:](https://www.plumbingforums.com/goto/post?id=50620) > > I agree, filters should be sized from a water test and for the intended use of the water. > > [Click to expand...]() A complete water analysis is always the first step. Then you would know exactly what has to be controlled. A sediment pre-filter should be on any system (IMO). > In a situation where your water is very clean, there would be no use for a cartridge filter in the first place. > > Wells should not pump sand either. But if they do, there are better ways of dealing with it. > > [Click to expand...]() Please explain further. Research an H2O2 system for sulfur odor. Last edited: Nov 18, 2014 [![speedbump](https://cdn2.imagearchive.com/plumbingforums/data/avatars/m/0/72.jpg?1262787353)](https://www.plumbingforums.com/members/speedbump.72/) #### [speedbump](https://www.plumbingforums.com/members/speedbump.72/) ##### Retired Pump guy. Professional Joined Jan 6, 2010 Messages 1,726 Reaction score 219 Location [Murphy, NC.](https://www.plumbingforums.com/misc/location-info?location=Murphy%2C+NC.) - [Nov 18, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58864) - [\#11](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58864) > Please explain further. > > Research an H2O2 system for sulfur odor. > > [Click to expand...]() Cartridge filters or the 10" inline so called "Whole House Filters" are in my opinion a joke. All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water. If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. No more cartridges to buy and mess with. When these cartridge filters came out many years ago, they were 3/4" and were used as one faucet filters. Now they are "Whole House"??? H2O2 works; although I have never tried it. It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle. For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. It also removes iron, so you kill two birds with one stone. [P](https://www.plumbingforums.com/members/phishfood.215/) #### [phishfood](https://www.plumbingforums.com/members/phishfood.215/) ##### Professional Professional [**Supporting Member](https://www.plumbingforums.com/account/upgrades) Joined Jan 17, 2010 Messages 5,775 Reaction score 999 Location [Orlando, FL](https://www.plumbingforums.com/misc/location-info?location=Orlando%2C+FL) - [Nov 18, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58892) - [\#12](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58892) > [speedbump said:](https://www.plumbingforums.com/goto/post?id=58864) > > Cartridge filters or the 10" inline so called "Whole House Filters" are in my opinion a joke. All they do is keep you busy buying cartridges because they get nasty looking and plug up rapidly while not doing a darned thing for your water. If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. No more cartridges to buy and mess with. When these cartridge filters came out many years ago, they were 3/4" and were used as one faucet filters. Now they are "Whole House"??? > > H2O2 works; although I have never tried it. It's probably much better than using chlorine, but you still have to inject it with a feed pump which is a hassle. For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. It also removes iron, so you kill two birds with one stone. > > [Click to expand...]() Check your PM's. [![KULTULZ](https://cdn2.imagearchive.com/plumbingforums/data/avatars/m/2/2220.jpg?1422093121)](https://www.plumbingforums.com/members/kultulz.2220/) #### [KULTULZ](https://www.plumbingforums.com/members/kultulz.2220/) ##### Jack of All Trades ~ Master of None Professional** Joined Sep 4, 2011 Messages 1,534 Reaction score 318 Location [Between Lost And Found, W (BY GOD) V](https://www.plumbingforums.com/misc/location-info?location=Between+Lost+And+Found%2C+W+%28BY+GOD%29+V) - [Nov 19, 2014](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58901) - [\#13](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-58901) > [speedbump said:](https://www.plumbingforums.com/goto/post?id=58864) > > If you have a sandy well, a water softener sized tank half filled with silica sand will trap all the sand from the well and can be backwashed out at needed intervals. Normally not more often than once every six months. You can use an automatic backwashing head or you an make a backwash possible using several ball valves. > > [Click to expand...]() I agree. Cartridge type filters are more for municipal water supply (removal of sediment, chlorine, etc.), where the water has been somewhat treated before house entry. I personally do not have as much sediment as I do magnesium. I have a pre-filter but it requires changing at least once a month. I got tricked by a filter company as to the promises of a salt free water conditioner. While it may be useful in a low calcium application, it will not touch the Ca level I personally have, and I will have to go with a salt based system it seems. So if a well has sediment/mineral problems, is considering the actual well advisable? > For hydrogen sulfide, we use a filter which resembles a softener but instead of using brine or potassium permangenate, it uses air only. > > It also removes iron, so you kill two birds with one stone. > > [Click to expand...]() hmm.... THANX for that idea... ![;)](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png) Last edited: Nov 19, 2014 [I](https://www.plumbingforums.com/members/isopurewater.8508/) #### [isopurewater](https://www.plumbingforums.com/members/isopurewater.8508/) ##### CWS IV with WQA Member Joined Dec 31, 2014 Messages 4 Reaction score 0 Location [,](https://www.plumbingforums.com/misc/location-info?location=%2C+) - [Jan 9, 2015](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-61000) - [\#14](https://www.plumbingforums.com/threads/well-water-filter-confusion.4855/post-61000) I agree. Water filtration should be to both lines. For some reason builders but a hot water line loop for water filtration systems - these guys don't really know anything because there is no need for a hot water line loop. It should have been installed after the main and pressure regulator. I'd move your existing filter to the main line if I were you. It's not going to kill ya but you might as well do it right. 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