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Thread: cya test

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    cya test

    if all my test numbers are ok, how often should i test cya?
    24 ft. 52 in. deep above ground
    hayward sand filter
    new pool owner/new bbb believer

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: cya test

    You always want to test CYA at the start of the season, and then again about half way through the swimming season, or after any time you suspect significant amounts of water replacement have occured.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    MikeInTN's Avatar
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    May 2007
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    Middle Tennessee
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    Re: cya test

    I wouldn't test again unless I had some event that might cause my level to change, i.e. draining water off from massive rainstorms, several backwashes, etc. Under normal circumstances, draining water is the only way you should see your cya level drop.

    edit : Dang! Jason beat me to it, as usual!
    24' x 52" AGP - approx 13,500 gallons
    Pentair Optiflo 1 hp/2sp pump w/ Swimpro Voyager 150 sq ft cartridge filter
    Intex 8110 SWCG
    "Fear the Schnauz!"

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