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Thread: 1 Trichclor puck

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    1 Trichclor puck

    My cya level is currently 35, I'd like to get it up a little betwen 40-50. I don't normally visit the pool store for chemicals, but bought a couple of 3 inch trichlor pucks, and put one in the feeder to raise the level some. Plus, I'll be gone next week on vacation, and this will help keep the algae at bay. Does anybody know approximately how much 1 puck will raise the cya level on a 18'ft round pool, approx. 8600 gallons.


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    Join Date
    Jan 2009
    Cupertino, CA

    Re: 1 Trichclor puck

    I don't know, but The Pool Calculator does...
    Tell it your gallons at the top, then down near the bottom is an "effects of adding chemicals" section that will give you the answer.
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

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