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Thread: Persistent Slightly Cloudy Water

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    Persistent Slightly Cloudy Water

    About 10 days ago we had a lot of rain and our water became cloudy. I shocked it and added CYA according to my test results and it cleared up some but has remained slightly cloudy. I have brought the FC level up a little above normal by adding bleach because that usually take care of slightly cloudy water in our pool. It has not solved the problem. Here are my test results any suggestions? I miss my crystal clear water! I have an inground, vinyl pool with a SWG

    FC 8.5
    CC 0
    TA 60
    CYA 60 (I know this is a little low and will add CYA today)
    CH 190
    PH 7.5

    Will the CYA being slightly low cause cloudiness?

    Thank You!

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    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: Persistent Slightly Cloudy Water

    Try increasing pump run time. Backwashed lately?
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
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    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: Persistent Slightly Cloudy Water

    It could be that you have a little bit of algae going on, just enough to cancel out the SWG. It might be time for an overnight loss test. pool-school/overnight_fc_test
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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