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Thread: Shelf Life

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    Shelf Life

    What is the shelf life for granular chemicals? I have some PH Minus that just doesnt seem to be taking in my pool.. could it be to old?
    21,200 Gallon AG Sand Filter

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    Melt In The Sun's Avatar
    Join Date
    Oct 2009
    Tucson, AZ

    Re: Shelf Life

    I doubt it. A much more likely possibility is that your pH is higher than your kit can read, and you can't tell exactly how high it is (ie. 8.2 looks the same as 9; a HUGE difference!).
    11,200 gal, Pebble-Tec; Tristar 2-speed 1hp - Swimclear 325 ft2 cart - SWG - A & A in-floor cleaner - Heat pump. For the poolside cooking, a Yoder Wichita and a Big Steel Keg!
    TF Test Kits -- PoolMath -- Pool School
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    Re: Shelf Life

    Thank you, you were right. Went and checked this morning and it my PH is now down in the 7.5 area... from 8.2+
    21,200 Gallon AG Sand Filter

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