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I have a problem with my filter, its reverse osmosis. The filters are full of water but the tank is empty and not working.

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Hello, first open the Reverse Osmosis faucet and see what the pace of the drip or water stream is. It should be a constant rapid drip. If it is, next disconnect the drain line of the RO System from the Drain Saddle Clamp attached to the plumbing under the sink. The Drain Water should be a "Steady Slow Stream" of water. If it is, next, take a Tire Pressure Gauge and attach it to the Shrader (Tire Valve) Valve at the bottom, side, or top of the storage tank to see what the air pressure is inside of the tank. The Tank pressure should be a minimum of 8-10 psi when completely empty of water. If the tank is empty you should be able to pick it up rather easy. If the air pressure is good in the tank, then next remove the primary Pre-Filter Cartridge from the first filter housing and reattach the filter housing. See if the Dripping from the RO faucet increases in Velocity or Pressure. If so, simply replace the filter. After performing these tests let me know what you discover. Thanks, Victor

Posted on Sep 17, 2009

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I have a 3 filter undersink system that says Reverse Osmosis on the tank. It is a 2 1/2 gal. tank and i get , maybe 2 qts out of it now. I have been replacing the filters as instructed.


The storage tank probably has low air pressure. On a 3 gallon RO tank empty the tank completely of water and adjust tank pressure to 7psi.
RJ

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no "slug" is available however you could just use a reverse osmosis diaphram pressure tank to boost the water pressure. you can also use a water supply tube to bypass the in-refrigerator completely.

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Culligan ac 30 reverse osmosis system - changed the filters, good flow for 3 days then began diminishing. Now nothing comes out of the faucet. Holding tank is empty.


I would pull out all the filters changed and check them. If a GAC filter is used as the post filter, before the RO tank, carbon fines can come out of the filter and can plug up the head on the RO system. Make sure the sediment pre-filter is not plugged and there is plenty of water supply. You may have lost pressure in the RO tank. A 3 gallon tank should have 7psi pressure when totally empty.
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1 Answer

How to replace filter on an undersink culligan reverse osmosis filter


Turn off the incoming water supply, turn off the valve on storage tank, open the RO faucet and let pressure off. Have a pan ready, remove the sediment pre-filter housing and post-carbon housing.
Use latex gloves when changing filters, add 1 tsp bleach to each housing and clean them thoroughly before installing filters. Make sure all bleach is rinsed out before installing filters. Turn the water back on to system, turn the tank back on and run 2 tanks of water out before using water again.
RJ

Jan 11, 2010 | Culligan Under Sink Water Filter

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I bought a new tank for my reverse osmosis water treatment and it did not come with directions. It's supposed to be ''charged,'' whatever that means. When I hook it up to my system it does not fill with...


Typically a reverse osmosis storage tank should have a precharge of approximately 7 psi. Depending on the make/model of your tank it may have a higher charge currently which would cause the tank to not fill. There should be a schrader valve on the bottom or side of the tank. Using a tire gauge and bicycle pump you should be able to check the current pressure in the tank and adjust it up or down to 7 psi.

reverse osmosis storage tanks: http://www.freshwatersystems.com/c-32-reverse-osmosis-storage-tanks.aspx

Geoff D., CWS-I - WQA Certified Water Specialist
Fresh Water Systems, Inc - http://www.freshwatersystems.com 1.877.335.3339

Nov 04, 2009 | General Electric FX18M GE SmartWater...

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The water is not clear any more we have white residue in the kettle. We did change the filter and emptied the tank 3 times before insulting the new filters.


I don't believe that any filtration system is capable of removing dissolved calcium from water and that is what causes the white deposits. Water softeners will, but I don't like the idea of dissolved salts in our tap water.

Oct 24, 2009 | General Electric GE SmartWater Household...

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Under sink tank on older water filter onlyy produces 2 qt at one time. it use produce 1 gal. we have lime iron promblem water 3 flter culligun system under sink water filer system over20 yr old filters...


I am assuming based on your description that the system you have is a reverse osmosis system. If this is true, you most likely need to recharge the air pressure in your RO storage tank. I have included step-by-step instructions below. If you find that your tank is not holding air or the tank will not empty completely, the bladder inside the tank may be broken and the tank will need to be replaced. I have included a link to our selection of RO tanks as well. To recharge the tank you will need a bicycle tire pump and a tire gauge that will be capable of reading below 10 psi. If you don’t have one that reads in single psi increments, then a meter that starts at 5 psi will work.
http://www.freshwatersystems.com/c-32-reverse-osmosis-storage-tanks.aspx

1) Close the cold water feed valve (if you can’t locate this on your system, you may be able to turn off the cold water to your sink)
2) With the RO tank valve on, locate the valve stem on the bottom or side of the tank. (this will look like the air stem on a bicycle or car tire)
3) Remove the stem cap.
4) Drain all water out of tank through open RO faucet into sink. (Continue to leave the RO
faucet open throughout the entire procedure)
5) If the current tank pressure doesn’t empty the tank, apply tire pump to valve stem
and pump a few times. Flow will increase and then gradually decrease as
pressure equalizes. Do not overcharge the bladder during this procedure.
6) Repeat step #4 and #5 until tank is completely empty. (Tank is empty when additional
pumping produces no more water)
7) At this point, adjust EMPTY tank to exactly 7psi. (Gauge reading midway between 5
& 10psi is sufficient)
8) Turn off RO faucet.
9) Replace cap on valve stem
10) Open cold water feed valve.
11) The water is useable immediately; however, tank will take a few hours to completely fill.


Geoff D., CWS-I - WQA Certified Water Specialist
Fresh Water Systems, Inc - http://www.freshwatersystems.com 1.877.335.3339

Jul 17, 2009 | Culligan Tools & Hardware - Others

2 Answers

No water coming out of my filter faucet.


Okay.

Here is what I would suspect at this point:
------------------------------------------------------------

- Incorrect air pressure in tank, or

- Clogged filters

To check air pressure:
---------------------------------

Empty tank and check pressure -- it should be 7 PSI.

Note: There is a rubber bladder in the tank in which the water is stored -- if this bladder is ruptured, the air pressure in the tank will not hold.

So, adjust air pressure, try system again. If it works for a while and then stops, empty tank and check air pressure for 7 PSI.

Clogged filters?
----------------------

If the system doesn't work when tank pressure is adjusted, empty tank and check pressure again. If pressure is still 7 PSI, then replace filters.

If tank pressure is not 7 PSI at this juncture, it's probably a ruptured bladder and the tank will have to be replaced. But before you take that tack we should "talk" again.


Please let me know the results...

thanks

Charlie

--------------------

P.S. I'm assuming you have adequate water pressure on your household system. You're not noticing a drop in pressure anywhere else in the house -- is that correct?

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I have a ge reverse osmosis filtration system and recently lost pressure and tank capacity. I have only had the system about a month and my water has been tested fine. I did leave town for 10 days, could...


Make sure that all valves are in the open position.
Try to recharge the water storage tank. Here are the steps to follow.
* In General: When any type shut-off valve handle is positioned so that it is parallel or in line with the tubing that enters the valve, valve is OPEN. When handle is turned perpendicular to tubing that enters valve, valve is CLOSED.

Necessary Supplies:
1) Tire Gauge marked in 5psi increments (ie 5, 10, 15, 20psi, etc.)
2) Bicycle tire pump for standard type bike tire valve
To recharge RO system tank:

1) Close cold water feed valve (valve located at some point along the cold water line from street plumbing).*
2) Leaving RO tank valve on, turn tank on side & locate valve stem on bottom side.
3) Remove stem cap.
4) Drain all water out of tank through open RO faucet into sink. (Continue to leave RO faucet open throughout procedure)
5) If current tank pressure is insufficient to empty tank, apply tire pump to valve stem and pump 10 – 15 times. Exit flow will increase and then gradually decrease as pressure equalizes. Do not overcharge internal bladder of tank during this
procedure.
6) Repeat step #4 until tank is completely empty. (Tank is empty when additional pumping produces no more water)
7) At this point, adjust EMPTY tank to exactly 7psi. (Gauge reading midway between 5 & 10psi is sufficient)
8) Turn off RO faucet.
9) Replace cap on valve stem and reposition tank in upright position.
10) Open cold water feed valve.*
11) System water is useable immediately, however, tank will take 3-4 hrs to completely refill.

www.FreshWaterSystems.com: The Water Super Store: 1-877-335-3339

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