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Thread: Add Cyanuric Acid or Wait?

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    Join Date
    Mar 2016
    Fresno CA

    Add Cyanuric Acid or Wait?

    Last fall pool pump stopped working and instead of spending the money then i waited until a few days ago. I know i should not have done that Pool is green Over the winter i have had to drain out a lot of water due to rain and the cyanuric acid is very low. About 10. As i try to get this green cleared up i am going to have to backwash the sand filter a lot. Is it worth it to add acid before or wait until i have the water clear again?

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    DFW, TX

    Re: Add Cyanuric Acid or Wait?

    Since it's pretty early in spring it might not hurt too much with less CYA. The risk is that the sun burns off the chlorine faster than iypt can kill algae.
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    Donldson's Avatar
    Join Date
    Jun 2009
    NW Ohio

    Re: Add Cyanuric Acid or Wait?

    Just curious, how do you know your CYA level is about 10 ppm?
    JD - 28' Round Above Ground Pool, 17,000 Gallons. Dual speed Jacuzzi pump with cartridge filter. Dual speed 1 HP pump, Hayward S210T sand filter
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