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Thread: Free Chlorine

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    Free Chlorine

    On average how much FC should I lose a day if now I am 14 fc. CYA is at 65
    25k Gallon Gunite Inground Pool
    Pentair FNS PLUS DE filter
    Pentair WhisperFlo WF-24 (seems like single speed)
    Chlorine
    Bel Air, MD 21015

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    Administrator Leebo's Avatar
    Join Date
    Jul 2011
    Location
    Eastern Ohio
    Posts
    6,605

    Re: Free Chlorine

    Depends on your location and the time of year. Late May/ Early June in normal sun (not desert 100* weather)

    2-3FC a day is normal.

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    pwrstrk's Avatar
    Join Date
    Aug 2012
    Location
    Elverson Pa.
    Posts
    4,758

    Re: Free Chlorine

    It depends on how much sun and use the pool is getting.

    2-3 ppm a day is normal.


    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Free Chlorine

    Quote Originally Posted by Leebo
    2-3FC a day is normal.
    But with FC starting noticeably higher than usual you will most likely lose more than that.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  5. Back To Top    #5

    Re: Free Chlorine

    Thank you everyone!
    25k Gallon Gunite Inground Pool
    Pentair FNS PLUS DE filter
    Pentair WhisperFlo WF-24 (seems like single speed)
    Chlorine
    Bel Air, MD 21015

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