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Thread: Is my filter working properly?

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    Is my filter working properly?

    I have a cartridge filter. I've noticed that it seems that every time I vacuum my pool, I think I have it all clean and then the next morning it seems like it I never cleaned it. We've had a lot of cottonwood, and I spent some time this weekend taking the cartridge out and getting a lot of gunk out of it. I was thinking that might be the problem giving the heaviness of the cottonwood. But this Monday, same thing.

    Maybe my kids are just really dirty!

    It has also rained a lot here lately. Would that necessarily make the pool dirty?

    So I don't know what it going on. It seems like I'm sucking the stuff up in the vacuum and just depositing it back into the pool where it settles into the tiny crevices in the pool liner.

    Do I need a new cartridge? The one I have isn't even a year old.

    I've also noticed that the air pressure release valve is acting funny....last year, it would shoot out water if you opened it up. Now the water barely trickles out. Another reason I think something with my filter isn't working quite right.
    24 ft. above ground pool, 13,500 gallons, installed summer 2013
    Cartridge Filter, Hayward 1.5 HP Power-Flo LX pump
    Main drain
    5 happy swimming children
    NW Indiana

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Is my filter working properly?

    Your filter is probably working fine. A good way to double check is to tie a stocking over one of the return jets and see what (if anything) collects there. If the stocking remains clean, the filter is fine. If debris accumulates, then something is wrong with the filter.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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