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Thread: 85 degree pool

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    Join Date
    Oct 2014
    bunker hill,wv

    85 degree pool

    I like to keep my pool around 85 degrees. What is the best method to control algae in a really warm pool.

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    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

    Re: 85 degree pool

    Hi, welcome to TFP! As long as the chlorine is in the correct range for your CYA level you don't need to worry about the water temperature. We suggest you keep the chlorine on the high end of the range so it doesn't fall too low when the pool is in use.
    TFP Moderator
    Helpful links: TF Test Kits,TFP Pool School, PoolMath
    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    Wildcat's Avatar
    Join Date
    Jun 2013
    Tucson, AZ

    Re: 85 degree pool

    Keep the FC at the proper level for your CYA. Ideal CYA range 30-60 PPM. Higher CYA level is flirting with algae if you don't keep FC high enough. Keep PH around 7.5 Read about it in Pool School on this forum.
    I live in Tucson and pool will get over 90 degrees (luckily our 105 degree afternoons cool by 25 degrees or so overnight or it would be worse), have never had algae.
    10000 Gal, IG Pebbletec, pop up cleaners,Hayward EcoStar VS, 425 sq ft Hayward Cartridge, waterfall feature

  4. Back To Top    #4

    Join Date
    May 2015
    spring hill, FL

    Re: 85 degree pool

    I'm in Florida, my pool temp has been 85+ since mid April. Following all these good people's advice here, I keep my FC above minimum levels at all times, haven't had an issue yet.
    12k in ground, 14x28 sports pool, concrete/plaster/diamond brite, uncovered
    Waterway 1.5hp pump, waterway 150sqft cartridge filter, auto chlorinator, on city water, Zodiac MX8

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