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Thread: Cloudy pool won't clear.

  1. Back To Top    #1

    Join Date
    May 2007
    New Jersey

    Cloudy pool won't clear.

    Am helping a neighbor with pool, but having a problem getting it clear.

    Pool was green with algae when closed in fall, CYA was over 100.

    Opened this spring to white cloudy water and a CYA of 60

    Shocked pool for 3 days at 25 and then maintained at 8, there are no CC's present.

    Current readings:
    Cya - 60
    CL 8
    Ph 7.2
    TA 100
    Calcium 150
    TA 100

    Problem is that the cloudiness has not filtered out in 2 weeks.

    Tried 2 doses of clarifier (cationic polymer), on sunday and again today but only slight improvement

    Any suggestions?

    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  2. Back To Top    #2

    Join Date
    Mar 2009
    Glendora, California

    Re: Cloudy pool won't clear.

    Are you no longer losing more than 1ppm of fc overnight? If not you are not done shocking.
    18k Inground Plaster pool / TriStar Variable Speed Pump and Controller
    48sq ft Hayward DE filter/ Swim pure Plus 40k cell / Kreepy Krauly
    Solaxx Ph-Tek

  3. Back To Top    #3
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Cloudy pool won't clear.

    To expand a little on what dravenone said, either you still have living algae, or the filter isn't working correctly. Doing an overnight FC loss test can tell you if you still have living algae.
    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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