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Thread: Need to add CYA

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    Need to add CYA

    I need to add 5ppm of CYA to my pool. I have some bags of shock leftover from pre BBB days. They are 1 pounds bags, Pool Brand Shock bought from Sams Club. My question is how much CYA does a 1 pound bag add? I would like to use these up, and not have to buy more stablizer until these are gone.

    Thanks,
    Carlotta
    Carlotta (aka Clodda)
    Oval AGP 18x33x54 18,000 gal.
    Vinyl
    2hp Hayward Pump
    Sand filter
    BBB Method
    Jug Dumper

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    Mod Squad Bama Rambler's Avatar
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    Re: Need to add CYA

    What are the ingredients in those bags of shock? If it's Dichlor a 1lb bag adds 3½ppm CYA in an 18,000 gal pool.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/hp 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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    Re: Need to add CYA

    It is Dichlor. Thanks for the quick response.
    Carlotta (aka Clodda)
    Oval AGP 18x33x54 18,000 gal.
    Vinyl
    2hp Hayward Pump
    Sand filter
    BBB Method
    Jug Dumper

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