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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1answer
62 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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1answer
75 views

Does this water filter look clogged?

My refrigerator uses EveryDrop water filters like these: https://www.amazon.com/gp/product/B00VBP8QPO/ref=oh_aui_search_asin_title?ie=UTF8&psc=1 The refrigerator is brand new, and I am already ...
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0answers
98 views

How to calculate pressure loss on PEX 90-degree elbows?

I'm probably overthinking this, but I need to, as close as possible, determine how much pressure I'll lose with PEX 90 degree elbows. Had a new well pump installed (1 hp, 10 GPM), well guy is wrapping ...
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0answers
48 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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1answer
47 views

Inline whole house filters and their effective filtration performance

I would like to build a fairly aggressive whole house water filter system. However, the 1 micron filters that I see are low flow and are for point-of-use (under the counter for a drinking spigot) and ...
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2answers
515 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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1answer
1k views

Why is this Whole House Filter Black?

I bought this whole house filter and after being installed for only one month it looks like the image below! Is this normal for a house on well water? I just recently moved into this house and was ...
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2answers
81 views

Radon in water mitigation

I need to install a Radon in water mitigation system. Is there a Do It Yourself way to do this with a simple aeration or filter system. I already have a pH adjustment system in my basement ( Calcium ...
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0answers
164 views

Reverse Osmosis - Drain Saddle Location. Is this correct?

I installed a Reverse Osmosis system under my sink yesterday. I installed the Drain saddle between the P Trap and the Air Gap. Please see the picture where the arrow is pointing to the Drain saddle ...
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1answer
39 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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2answers
413 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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1answer
311 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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0answers
111 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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2answers
50 views

My RO water filter system has three filters. What is the fourth filter?

I have a Cuno SQC3 reverse osmosis system. The three obvious filters for replacement on the left are the: prefilter - 47-55706G2 RO membrane - 66-4703G2 postfilter - 47-55710G2 However, in this ...
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1answer
346 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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0answers
3k 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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1answer
102 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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1answer
68 views

What kind of filter do I need if I want to reuse the shower water?

I am helping a friend with renewing a bathroom. He is looking at the possibility of storing and reusing the shower water for the garden. What kind of filter do we need to install to make this ...
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1answer
56 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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1answer
33 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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0answers
35 views

Best way to connect Apec RO-CTOP water filter under the sink

I recently moved from the United States to Germany, and brought my water filter with me. It's an APEC RO-CTOP model, and it's meant to sit on your water faucet, with a lever to select between pass-...
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1answer
100 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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2answers
390 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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2answers
83 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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1answer
43 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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1answer
167 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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1answer
77 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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2answers
296 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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4answers
237 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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1answer
766 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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3answers
658 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. ...
2
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1answer
1k 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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1answer
912 views

How can I figure out why my undersink water filter system is clogged?

enter image description hereMy 3-year-old undersink water filter system stopped working (i.e., no water comes out). I changed the filters but still no water is flowing. Any suggestions on where to ...
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1answer
492 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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2answers
5k views

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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2answers
373 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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1answer
51 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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0answers
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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10answers
32k 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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1answer
108 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 ...
2
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1answer
764 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 ...
2
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1answer
562 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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6answers
123k 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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3answers
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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1answer
25k 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: ...