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Thread: Getting FC up after AA treatmemt

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    Getting FC up after AA treatmemt

    How do you know how much chlorine (diclore) to use to overtake ascorbic acid? I gave an aa treatment a few days ago but am Leary to add too much chlorine at a time. Would it be safe to use a half lb an hr a couple hrs a night until I see the FC hold (tester from blue box in the tf 100 kit) or should I use the chlorine drop test? And should I start tonight or wait at least 48 hrs from aa treatment?
    Dazed and Confused in new jersey. 21,000 gallon vinyl liner, inground pool, sand filter.

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Getting FC up

    You can add whatever it takes. However, if you use enough dichlor to offset an AA treatment your CYA is going to be very high.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Butterfly's Avatar
    Join Date
    May 2007
    South Carolina

    Re: Getting FC up

    I suggest you read the article in Pool School here: ascorbic-treatment-to-rid-pool-of-metal-stains-t2298.html

    Also, we recommend bleach/liquid chlorine to raise FC. As Bama pointed out, dichlor will have your CYA out of control if you use it exclusively.

    What are your test results for:
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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