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Thread: White/Grey cloudy water

  1. Back To Top    #1

    Join Date
    May 2012
    Gulfport, MS

    White/Grey cloudy water

    So I slammed my pool until the algae was dead and passed the Overnight chlorine loss test. I have only used Clorox in my pool and never had a problem, however, this opening year I can't for the life of me get the water crystal yet. I have vacuumed and brushed almost daily and left the pump running for 2 weeks solid, still no luck. All of my water parameters are tested with the Taylor 2006 and are right where they need to be....The sand in my filter is going on 2 years old so not sure if it's time to change. Any advise from the experts would be greatly appreciated..Thanks, Chad
    30'x54" Round Vogue Simbio AG ~21,000 gallons
    Pentair Sand Dollar SD 60 w/ Pentair Dynamo 1.5 hp Pump
    Vinyl Uni-Bead 25mil Liner
    Perfect Bottom w/cove
    Taylor K-2005 & K-2006 Test Kit

  2. Back To Top    #2
    pwrstrk's Avatar
    Join Date
    Aug 2012
    Elverson Pa.

    White/Grey cloudy water

    The sand in your filter doesn't go bad. I'm sure it's fine.
    You stated you slammed the pool. It sounds to me that you didn't quite follow it all the way to the end. You need to pass these three criteria to stop the SLAM.
    1 Water is crystal clear.
    2 You have CC's of 0.5 or less.
    3. You can pass the OCLT.
    Cloudy water is almost always a water chemistry problem, not a filter problem. I know you said all your tests look ok but could you post a full set of test results in case your missing something ? Also have you added any chem's from the pool store lately ? 😎
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

  3. Back To Top    #3

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: White/Grey cloudy water

    Your FC should be at SLAM value right now since your water is still cloudy. The OCLT is confirmation that you completed the SLAM but should only be performed after your water is clear.

    It might be a good idea to open up your filter and inspect and clean the sand to make sure it is functioning properly. There is almost never a need to replace your sand, though.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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