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Thread: numbers o.k. but cloudy

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    delfargo's Avatar
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    May 2008
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    numbers o.k. but cloudy

    the pool was looking good before the 4th of july weekend, but by the end of the weekend the pool was looking pretty cloudy with a greenish tint. i tested yesterday- here's the numbers-
    FC - 7
    CC - .25
    TC - 7.25
    PH - 8 (yeah, a little high, so i added acid last night )
    TA - 360 (yeah, real high, but is TA really that important?)
    CYA - 50
    these numbers don't look too bad, do they? so why am i getting cloudy & green? any thoughts? thanx alot.
    30' round above ground - 21000 gal. (shade ONLY in the evening),
    pentair dynamo 1.5 hp pump,
    pentair sand dollar 150 lb.sand filter,
    bbb method.

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    frustratedpoolmom's Avatar
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    Re: numbers o.k. but cloudy

    If you are maintaining proper filtration and FC, it shouldn't happen. So I see on the other thread that you got it clear, so either the FC dropped to low for too long or you aren't running your filter enough.

    Those are the first things that come to my mind.

    Have you shocked the pool since this occurred? If not, you should add enough bleach to bring it to shock level and run the filter 24/7 till it clears up. It shouldn't take as long to clear this time.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    TizMe's Avatar
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    Aug 2007
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    Re: numbers o.k. but cloudy

    With your description of how your water looks it suggests to me you are in the early stages of an algae bloom. As Frustratedpoolmom suggested I would shock your pool for a few days, keep the filter running 24 hrs/day and brush the pool good for a few days.
    Les
    Don't have a pool right now. Just sharing what I have learned over the years!
    Helpful Links:
    Pool School,Pool Calculator,Cl/CYA Shock Chart,TF Test Kit
    Doing BBB and loving it!

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    JasonLion's Avatar
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    Re: numbers o.k. but cloudy

    You need to keep your pH under control. High TA makes that more difficult. High pH can contribute to algae problems.
    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

  5. Back To Top    #5
    frustratedpoolmom's Avatar
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    Re: numbers o.k. but cloudy

    Quote Originally Posted by delfargo
    the pool was looking good before the 4th of july weekend, but by the end of the weekend the pool was looking pretty cloudy with a greenish tint. i tested yesterday- here's the numbers-
    FC - 7
    CC - .25
    TC - 7.25
    PH - 8 (yeah, a little high, so i added acid last night )
    TA - 360 (yeah, real high, but is TA really that important?)
    CYA - 50
    these numbers don't look too bad, do they? so why am i getting cloudy & green? any thoughts? thanx alot.
    Are you confident about that TA result? Are you sure it's not a "dropper tip" issue as reported on here? If it is, I agree with Jason, you should also consider the Lowering TA process described in Pool School so that you aren't getting high ph issues.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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