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Thread: Too much CYA

  1. Back To Top    #1

    Join Date
    May 2015
    Ten Mile, TN

    Too much CYA

    I made a calculation error and added too much stabilizer. I'm at 55 now and it may go a little higher.

    I tried backwashing the filter a couple of times to remove any remnants....but it looks like I'll need to empty the pool a little.

    My question the only problem of 55 (if it stays there) a higher bleach addition ? Can I leave it at 55 and just have a higher FC? Will it degrade with time?
    24' Round 14000 gal AG - installed June 2, 2015
    Saltwater Hayward AquaRite w/TCell - 9
    Waterway 26" sand filter w/ 2HP 2 speed pump
    Taylor K-2006 FAS-DPD Test kit

  2. Back To Top    #2
    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: Too much CYA

    I'd leave it where it is at the moment, dose it higher per the chlorine/cya chart, and let rain and splash out take care of it if it is an issue. I doubt it will be.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
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  3. Back To Top    #3
    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: Too much CYA

    55 is not so high if the pool is in a sunny spot.

    You'll need to maintain a slightly higher minimum FC, but the actual daily use shouldn't be any higher than it would be at 40 or 50. Theoretically, it should actually be lower, but probably not enough to notice.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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