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Thread: Underwater cloudiness

  1. Back To Top    #1

    Join Date
    May 2012
    Location
    Henderson, TN
    Posts
    218

    Underwater cloudiness

    pH-7.5
    FC-6.5
    CC-0
    TA-90
    CH-70
    CYA-50

    The CYA is low but I have added stabilizer a day or so ago, so it is just not showing up yet. The TA is a tad high and the FC is a little high as it is coming down from the SLAM I did after opening. The pool looks as clean as ever, water is extremely clear, and you can see the bottom no problems. But when you go under, it's fairly cloudy. Any suggestions?
    35000 gallons
    Hayward Sand Filter
    Jandy AquaSeries Ei Pure Salt System
    IG
    Vinyl
    Pentair Superflow 1hp

  2. Back To Top    #2
    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    Location
    DFW, TX
    Posts
    23,999

    Re: Underwater cloudiness

    Raise chlorine up to 10ppm, turn off the SWG and Perform the Overnight FC Loss Test (OCLT) to see if there is any organic matter or algae in the pool consuming chlorine.
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  3. Back To Top    #3

    Join Date
    May 2012
    Location
    Henderson, TN
    Posts
    218

    Re: Underwater cloudiness

    It just passed the OCLT a couple days ago with no problems. Do I need to do it again?
    35000 gallons
    Hayward Sand Filter
    Jandy AquaSeries Ei Pure Salt System
    IG
    Vinyl
    Pentair Superflow 1hp

  4. Back To Top    #4
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: Underwater cloudiness

    It might just be a matter of waiting for the sand filter to get the superfine stuff strained out. You could always try Pool School - Add DE to a Sand Filter




    Pool Owner Patience
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  5. Back To Top    #5

    Join Date
    May 2012
    Location
    Henderson, TN
    Posts
    218

    Re: Underwater cloudiness

    Yeah Ive got some DE but have not added it this year yet. It may just be patience. I'll keep and eye on it and update in a few

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