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Thread: clear but not clear

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    In the Industry

    Join Date
    Jun 2014
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    Newporr,ca
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    43

    clear but not clear

    Ok. the water is balance etc... When I do a check in the morning , the whole spa is clear. The afternoon comes around (Hawaii, sun) the water over the bench is clear but the water on the bottom is green. I know it has nothing to do with chemistry. I think the plaster on the bottom is slightly green. the bench color is still nice and gray. How can I clean the bottom of the spa plaster back to gray?
    1500 gallons SPA. 104
    IG, Plaster, 6years old.
    Sand filter Triton ll TR140.
    Taylor K-2006 Complete Pool
    Pentair brominator feeder using bromine. Bi-carbonate. Calcium chloride.

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    Location
    DFW, TX
    Posts
    24,974

    Re: clear but not clear

    My bet is that the FC is low. My tub does that sometimes. Got any yes you results. Or if FC is above minimum for your CYA the maybe it is just the angle of the sun.

    First thing to try is an Overnight Chlorine Loss Test and if it doesn't pass then SLAM the spa.
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