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Thread: Green pool water

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    Green pool water

    24' round above ground. Pool was not covered this winter. Scooped and vacuumed leafs then began super shock with bleach. Water went from black to brown and now Army green. Changed sand once. FC has held at 13 to 14 over night and 10 to 11 during day for last 3 days. Can barely see objects on bottom; water still green. Vacuuming every day. PH is 7.5, CYA is 35. How can I get water clear?

    Thanks, Fred
    3K gal, plaster, SWG, 24" sand filter, Pentair IntelliFlo VS 3050 4-Speed Pump (worth every penny)

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    poolgirl22's Avatar
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    Re: Green pool water

    Quote Originally Posted by Frede
    24' round above ground. Pool was not covered this winter. Scooped and vacuumed leafs then began super shock with bleach. Water went from black to brown and now Army green. Changed sand once. FC has held at 13 to 14 over night and 10 to 11 during day for last 3 days. Can barely see objects on bottom; water still green. Vacuuming every day. PH is 7.5, CYA is 35. How can I get water clear?

    Thanks, Fred
    At CYA 35 your shock level is 14.
    Read pool-school/shocking_your_pool

    You need to add as often as possible, hourly is fine, to keep your shock level at 14. If you have a green pool, three days is likely not long enough. Don't worry about overnight loss until your pool is clear.

    It also helps to brush brush brush and brush some more when the shock level is at 14.

    What testing method are you using?
    Read pool school in order to really get it all clear in your mind what you are doing.


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