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Thread: Had a mustard algae problem....looks like it's in the cover

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    Join Date
    Oct 2014
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    Bay Area, California
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    141

    Had a mustard algae problem....looks like it's in the cover

    I've had an on and off mustard algae problem for a month. I didn't shock for a long enough period I think, but another problem I noticed is some of the bubbles in my cover are popped, and they are filled with yellow water. It's just a few here and there, looks like the holes got there from scraping the side of the pool when taking the cover off. Do I have to get rid of the cover?
    Approx 15,000 gallon gunite pool, fiberglass finish. Hayward SP2302VSP, compools solar controller, 6 4x10 "Sealed Air" brand solar panels, Clean and Clear 520 cartridge filter

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    Texas Splash's Avatar
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    Jun 2014
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    South-Central Texas, Marion/San Antonio
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    Re: Had a mustard algae problem....looks like it's in the cover

    You may not need to dispose of the cover, but you certainly do want to ensure any old, stagnant water that may be trapped in any bubbles or pockets are removed and cleaned. If you can scrub, power-wash, and/or bleach/disinfect that cover that might help. I certainly wouldn't throw it back over the pool if there's any chance it may release algae-trapped droplets back into an otherwise clean pool.

    As for any potential algae in the pool, now is the time to SLAM. Use your TF-100 or Taylor K-2006 test kit to do it thoroughly and accurately, following the SLAM page (link below) in its entirety to rid your pool water of any algae.

    Hope this helps.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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