Questions tagged [water-filtration]

Removing impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process.

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Can I use a single air gap for a reverse osmosis system and a dishwasher?

Is it possible to do this? Currently we have a line from the dishwasher to the air gap and from the air gap to the garbage disposal. I want to install a reverse osmosis system but we only have the one ...
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5 votes
3 answers
5k views

Why does my water leave this pink film?

I have noticed that my water will leave a slimy pink film on certain surfaces like a sink drain, bath toys, or dog water bowl. What would cause this and how can I fix it?
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4 votes
6 answers
168k views

Why is water from the dispenser slow after replacing the water filter on my refrigerator?

At one of our rental properties, we have a GE GSH25JFXN WW Refrigerator. Our tenant changed out the water filter because of the recommended time to change it. He said that before he changed the filter ...
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4 votes
1 answer
30k views

Does a reverse osmosis system drain constantly?

I have come across the Pharmatap Fillmaster FMF-940 which is a pharmacy grade reverse osmosis filter system. I would like to install it in my kitchen but before I do, I need some questions answered: ...
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4 votes
1 answer
665 views

Can I use a zero-waste reverse osmosis filter with a water softener?

I have a zero-waste reverse osmosis system under my kitchen sink (a Watts ZRO-4 specifically, though there are other systems to which this applies) and my house is also pre-plumbed for a softener in ...
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4 votes
1 answer
4k views

What type of filters should I use for a 3 stage whole house water filter?

We have city water, but it always manages to taste like metal and chlorine. I was going to add point-of-use filters, but then decided it would be better to do the whole house to cover showering, hot ...
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  • 161
3 votes
1 answer
2k views

Connecting push fit to a 3/8in supply faucet line: NPTF to compression threads?

I have a dedicated water filter faucet with a 3/8 female 'compression' supply line (parallel threads). I am interested in connecting a push-fit based filter system to this faucet, but I'm not sure how ...
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  • 335
3 votes
1 answer
162 views

What type of water filter cartridge is right for drinking water in NYC

I moved to a new house and found a 10" big blue water filter installed under the kitchen sink, of the type that would normally be whole-house. The water tastes off and I am assuming that the cartridge ...
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  • 133
3 votes
2 answers
1k views

Should I fix whole house filter just after the pump?

I have a 1 HP Monobloc pump lifting water from an underground reservoir to two overhead tanks (2x 1000 ltr) which are at a height of 25-28 feet. The supply from the tank splits in 2 parts for the ...
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2 votes
1 answer
634 views

how can I reduce manganese, hardness, radon, and prescence of coliforms in well water?

I'm purchasing a home in NH and just received my comprehensive water test from the inspector. Here are the marks I'm most alarmed at. Hardness 264 (want it under 75) Manganese: .51 (want it under .05)...
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  • 196
2 votes
1 answer
1k views

Do I need to replace this water pressure valve?

We recently bought a house built in 1976. The property is relatively rural but does get city water. The water pressure in the whole house is less than desirable, so we had a plumber come out to tell ...
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2 votes
1 answer
974 views

Can I install water filters in parallel to abate pressure loss?

I'm considering adding a whole house filtration system. I know these have flow limits and cost pressure. If I installed two in parallel would that abate the pressure and flow drops?
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2 votes
1 answer
76 views

How do I connect or secure this 2.22 cm water filter pipe to my 2 cm faucet spigot?

I live in Ontario, Canada, with Home Depot, Home Hardware, and Lowe's near me. Before my family buys this water filter, I must verify that its pipe (photographed in 3 under) can be connected or ...
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2 votes
1 answer
2k views

Water filter effectiveness for lead removal

In light of the recent lead contamination in Flint, MI (USA) - I've been wondering which, if any, media are effective for removing lead from household tap water. I currently have a custom filter ...
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2 votes
10 answers
62k views

Why is there no water after replacing the filter in a Samsung refrigerator?

I just replaced my refrigerator (RFG297HDBP) water filter with a genuine Samsung replacement filter. However, with the new filter in, I get a short burst of water, then no more water. I can pull out ...
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2 votes
1 answer
135 views

Looking for advice / critique on my residential well water filtration system

I'm looking for some feedback on my planned well water filtration system. I tried to be as detailed as possible without writing a wall of text. Any feedback is highly appreciated! House: 4 bedroom / ...
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2 votes
3 answers
1k views

Installing a permeate pump on a manifold-style RO system

I've got a Whirlpool WHER25 RO system. Recently I added a hot water dispenser to our kitchen sink as well and would like to route the RO product to it instead of running it off of unfiltered water. ...
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2 votes
0 answers
186 views

Why does a new KDF/GAC filter cause a rotten egg smell/taste?

I installed a KDF GAC(4:6 by weight) filter (counter-top) to reduce possible heavy metals and chlorine in the water. (our water tastes generally good, except slightly chlorine) However, after running ...
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1 vote
2 answers
81 views

Is there a way to make an under-sink water filter safe from massive leaks?

I'm looking at under-sink water filters on Amazon, and in the reviews, every single one of them has horror stories about the filter exploding and leaking 100's of gallons of water while the owners are ...
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1 vote
4 answers
263 views

Flint water crisis - Water filter for Hot water heater?

I checked with a couple of residents and right now the accepted solution for removing contaminants from the water is boiling, as filters are only being offered for cold water. It seems to me that ...
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1 vote
1 answer
846 views

What is the purpose of Solenoid Valve in Reverse Osmosis? Can I do away with it?

The SV (36v) in my RO water purifier has stopped working. Product is currently unavaiable in Amazon and with the lockdown in effect in my city, I'm not even able to get a replacement. So I was ...
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1 vote
1 answer
282 views

What is the purpose of a water line reservoir on a fridge?

I'm looking at a leaking part from the fridge that came with my house a Samsung RH25H5611SR/AA. The part that's broke is DA81-05886A a $140 part, but only the upper tank is bad. The upper cylinder (...
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1 vote
2 answers
3k views

Does the orientation of the 'Y' in the wye strainer matter?

My wye strainer is clearly marked with a direction of flow, so how to orientate it with retaliation to that is not in question. However, the directions are unclear if I can mount so that the 'Y' ...
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1 vote
1 answer
90 views

Filter water in a tank without a whole house filter

We have come to a vacation home on a remote destination for a few months. We notice that when we use the water for bathing it leaves our skin dry and feeling like there was some dust in water that's ...
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1 vote
3 answers
1k views

Is it possible to remove fluoride from drinking water?

I've been looking for a residential water filtering system (preferably under sink), that can filter fluoride from drinking water. It seems that none of the systems I've looked at boast the ability to ...
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1 vote
1 answer
268 views

Is Reverse osmosis still necessary after whole house filter

I have water softener and Whole house filter installed in the basement. Now that I am going to finish the basement, I need to plumb a line to the fridge to replace the saddle valve. Then I think that ...
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  • 139
1 vote
1 answer
3k views

Best order for water filters to go?

In my house, I have two whole house water filter housings in the basement, and then a third Point-Of-Use filter housing under each sink cabinet. Currently both basement housings contain 20-micron ...
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  • 115
1 vote
2 answers
465 views

What kind of filter do I need for well water?

I live in Norway, and have well water at my cabin. In winter the water is fresh tasting and clear, while during warm periods in summer it gets more humus and its taste gets worse. I assume there may ...
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1 vote
1 answer
44 views

Instant water heater supply filter

I have an instant tankless water heater, stibel-eltron dhc12, and want to protect the heating element from the high mineral content in my water. A simple strainer may be good enough or a filter. ...
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1 vote
1 answer
56 views

Regarding detaching a tube from a valve on the top of a water storage tank

I am trying to perform the tank sanitizing operation for the reverse osmosis system. One of the procedures involves detaching the tube from the valve, as shown in the first figure. The document does ...
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1 vote
2 answers
502 views

Extending longevity of ceramic water filters

With washable ceramic water filters, should they be washed regularly to improve longevity? Like this type: My thinking is that if they're not washed, contaminants could get pushed deep into the core ...
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1 vote
1 answer
75 views

How to prevent DIY Activated carbon from throwing a layer of scum on top of water?

I cook regularly on a wood stove. Lately it occurred to me that I could also dump a sealed container into the flames to make activated carbon ... which I did. To test the carbon I dumped some iodine ...
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1 vote
0 answers
69 views

Why do objects go through dishwasher filters?

I have a brand new, top of the line dishwasher - a Bosch SHV89PW73N. On a regular basis it errors out, failing to drain... So we open up the mesh drain cover, take out the VERY fine mesh filter ...
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1 vote
0 answers
28 views

Warm/Hot Water Sediment Housing and filters

I need a sediment filter after the water heater. There is a clear one made of Acrylonitrile butadiene styrene. I read in wiki this can get up to 80 degree Celsius. But I learnt there are separate ...
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1 vote
0 answers
207 views

No Water from Reverse Osmosis water system

I recently replaced my filters and membrane in my Reverse Osmosis water system and now there is no water coming out of the filtration system to the tank. The tank is at the correct pressure, and is ...
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1 vote
0 answers
5k views

Replaced Water Filter in Refrigerator, Now Having Issues (Loud Noise, Increase Water Flow)

I have a Whirlpool refrigerator that has a built in ice and water dispenser, I can't remember the model number but I don't think it should matter for the issue I am having. I recently replaced the ...
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0 votes
2 answers
89 views

Why do they use a different tap for filtered water instead of the regular tap?

I'm talking about the kitchen sink. Why not just connect the filters to the regular tap?
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0 votes
2 answers
571 views

In layman's terms, what is reverse osmosis filtration?

The water filter installed in the kitchen advertises to work by the method of "reverse osmosis". Can someone explain this concept without using technical terms or marketing mumbo jumbo?
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0 votes
2 answers
77 views

Does a hot water dispenser heat water by itself?

Does such a hot water dispenser heat water by itself? https://www.grainger.com/product/IN-SINK-ERATOR-0-7-gal-Hot-Water-Dispenser-23NU44. I saw one that looks like the one in the link was installed ...
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0 votes
1 answer
85 views

Can I cut a water sediment filter in half and how?

I acquired some 20" sediment filters (see image) that are twice the height of the filter housing that I have. In an unrelated side project I cut a small part off the end of one of these filters. ...
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  • 1,627
0 votes
3 answers
105 views

Will low well water pH cause plumbing damage or health problems?

Our well has been having some bacteria issues so we are installing a UV filter system. The installer also recommended a system to correct the acidic quality of our water which is PH 6.0. He said it ...
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0 votes
1 answer
114 views

Do you know what this "connector piece" is called and where to buy it?

Does anyone know what the "connector piece" mentioned in this video at 6min 11s is called: https://www.youtube.com/watch?v=-HIOiyPKUbQ&t=6m10s And where to buy it? I could not find it Lowe's, ...
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  • 103
0 votes
1 answer
69 views

Add valve to water filter supply line

I have a PureBlue H20 Reverse osmosis water filter system and want to add a water valve for it. Not sure which type of valve and size I should get and whether to put the valve on the main valve itself ...
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  • 827
0 votes
1 answer
186 views

Should undersink Reverse Osmosis be installed in a leased condominium? [closed]

Assumption 1. My aunt knows nothing of repair or maintenance or trade work. She must not change or transform the structure and interior of the condominium in Canada that she is leasing. Tap water in ...
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0 votes
1 answer
29 views

I have sediment in my water and toilet - will replacing my well water filter help?

See question. We just moved in and I'm worried the filter hasn't been replaced in a while. Will replacing the filter help with sediment removal? Also, any tips on how to look up what filter to buy? ...
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  • 1
0 votes
1 answer
78 views

Low water pressure for water filter cartridges

Will these filters still work on Low Water Pressure? These are the standard 10 inch filters. I know that overpressure can render the filters useless. but how about low pressure? will it still work? ...
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0 votes
1 answer
40 views

Reverse osmosis for desalination?

I know that you can use a reverse osmosis process to desalinate water, and I know that there are many reverse osmosis water filtration systems marketed to individuals. In general, do some/all/none of ...
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  • 461
0 votes
1 answer
53 views

Choosing a well filter for household use

I need help with selecting the appropriate equipment to filter well water in the US for rural household use. Current situation: Greensand iron and hydrogen sulfide filter that has failed. Installed ...
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0 votes
1 answer
1k views

Installing drain saddle for Reverse Osmosis (RO) system in brass metal pipes

I am trying to install a reverse osmosis RO system under the kitchen sink. The pipes are all metal (brass, I suppose but not sure). where can I install the drain saddle? The instructions with the RO ...
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  • 71
0 votes
1 answer
922 views

Can I use an air gap faucet as a standard faucet?

I recently replaced my RO filter system with a simpler water filter system. I did not get a new faucet since I figured that I could just use the existing one that was installed with my RO system. Once ...
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