Question about Intex Krystal Clear Model 635 Pool Filter Pump 1500 Gph

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My pool filter is running but it doesnt seem to **** the water in or out and we got this last year but every two weeks i had to take it apart and for about a week and a half it works and then doesnt

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Hi,
It is getting air locked... they are very suseptable to that....just open the top a crack and bleed the air off whwn it stops and it will work again..

heatman101

Posted on Aug 05, 2010

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Posted on Jan 02, 2017

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1 Answer

Not filtering


too many chemicals will cloud contact the company website or did you maybe its the water change the water

Feb 28, 2017 | Pentair Tagelus TA 60D Filter

Tip

Basic Swimming Pool Care


<p>Basic Pool Care Tips<br /> <ol> <li>Test chlorine and pH at least 3 times per week. Have a comprehensive water test every 6-8 weeks at your local pool store. There is generally no charge for this test.</li> <li>Operate pool equipment a minimum of 6-8 hours per day during winter months and for 10-12 hours per day during the summer for greatest overall benefit.</li> <li>Brush the pool walls and floor a minimum of once a week.</li> <li>To prevent damage to pool equipment make sure the water level never drops below the opening of the skimmer.</li> <li>Lubricate backwash valve "O" rings on sand and DE filter four times a year. Lubricate pump lid "O" ring periodically with Lube specifically designed for use with swimming pool equipment.<br /><br /><img src="water_1.jpg" /><br /><br /></li> <li>Test pH and add muriatic acid as indicated to maintain pH between 7.4 - 7.8. Never add more than 1 pint of acid at a time and wait at least 1 hour between treatments. Always add muriatic acid by dispersing into pool water opposite the skimmer and disperse as far away from the wall of the pool as you can safely reach. Use care not to drip acid or any chemicals on deck as it will cause deck etching and staining. Do not pour acid over steps, benches, or pool light. Make sure water is circulating.</li> <li>Clean waterline tile with cleaner a minimum of once a month during peak season.</li> <li>One month after initial pool start-up, add stain and scale inhibitor on a regular basis.</li> <li>Always follow manufacturers instructions on product labels.</li> <li><b>NEVER ADD WATER TO CHEMICALS</b> - Add chemicals to water.</li> <li>Always wait one (1) hour between adding different chemicals unless otherwise directed. <ul> <li><b>Filters:</b> <ul> <li><b>Sand Filters:</b> Backwash once per week</li> <li><b>DE Filters:</b> Backwash once filter pressure increases 8-10 psi above your "clean pressure" noted at start-up.</li> <li><b>Cartridge Filters:</b> Need to be taken apart and elements need to be cleaned once filter pressure increases 8-10 psi above your "clean pressure." This cleaning should be done at least a minimum of twice a year.</li></ul></li></ul></li></ol>

on Dec 21, 2010 | Pool & Spa

1 Answer

No pressure in the filter


Pull the pump apart, maybe the impeller is broken, put a hose up the suction line to check for blockage, is there a non return valve in the suction line? Maybe just an air leak, only takes a pin hole !

Jul 15, 2013 | Pool & Spa

1 Answer

We have the Intex Saltwater system for 2 years now. It's been working great, but last week it started to beep and gives a code 90 Water is flowing through like it always has been previous years and...


Anything that restricts the water flow can cause this problem. The first thing I would do is clean the filter and any screens, etc. If code 90 still shows up I would check the sensor. Another poster said they were able to take it apart and make sure it works well. They said theirs was a little bent and they were able to straighten it. When they put it back together it worked. I hope this helps.

Please vote for this answer. Thank you.

Aug 22, 2011 | Intex Automatic Salt Water System for ...

1 Answer

Have a pentair ccp320 filter.brand new last year.pool water has been cloudy for two weeks.water is balancedexcept akalinity is high at 200.suspect filter problems.water was clear for a month.cleaned...


Total alkalinity can be lowered by adding muriatic acid or sodium bisulfate. Acid may be added in doses of up to 1 quart per 10,000 gallons. Total alkalinity tests and further required additions of acid can be made every 2 hours.

Jun 28, 2011 | Pentair Clean & Clear Plus Ccp320 Pool...

1 Answer

Hayward Perflex EC-75. The DE is gumming up after about 1 week all up in the fingers. Keep taking the filter apart and washing it down then replace the DE but only getting one week out of the new...


I maintain three commercial pools ... one a hot tub. We replaced the DE with sand filters this spring. The last year of DE - even with insisting the patrons shower first, we only got one week out of the DE ... and we were dumping the water also. Suntan oil, body oils ... it was a mess. The water was sparlking for 6 of the 7 days ... The only way to keep it that way was dump the water and change the DE.

Maybe your filter is not big enough. Had you given the gallons or the size of your pool, I would have calculated the filter area for you. If you can post it and if FixYa, notifies me, I would be glad to do the calculation.

Aug 03, 2010 | Hayward EC75 HAYWARD PERFLEX FILTER SYSTEM...

1 Answer

The intex fp621 4000 pool pump does not seem to be filtering the water. the water comes in and right back out but filter doesnt even get dirty and water seems to go in dirty and come right back out dirty....


Try making sure filter is installed correctly. Push filter down onto foot ring. Install cartridge support on top of filter with gasket into filter and fingers up. If filter is not seated on top and bottom, debris in water will flow around the filter instead of being trapped in it.

Jun 13, 2010 | Intex 4000 GPH Filter Pump

2 Answers

Pressure doesn't last & seems to blow out cloudy, dingy water


if you are on city treated water, sand will last aprox. 7 years, if on well water typically 3 - 5 years. so yes, could be a sand issue. also, double check that the there is no water trickling out the backwash / drain outlet of the filter, this could indicate that the diverter valve gasket (spider gasket) could be worn and cause sand from the filter to flow to the pool. this is a common problem if you move the position selector often with the pump still running - the pump should always be off when moving the handle. good luck!

Jun 01, 2010 | Hayward SAND FILTER, PRO SERIES

1 Answer

Sun damaged pool noodles causing pump problems.


you just need to clean the filter. What kind of pool/pump do you have? If it has a cartridge filter it should be easy to take apart and spray off with a water hose.

Jan 19, 2009 | Pool & Spa

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