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Thread: CYA testing question

  1. Back To Top    #1

    Join Date
    Apr 2013
    South California

    CYA testing question

    I opened the pool two weeks ago. The water was so cloudy/bit green so I shocked it (it is all good now). At the time, I only tested/added salt and bleach to the shock level. I didn't add any CYA. I just assumed it at the good level when I closed the pool in the last winter. I only tested/added CYA later when the water seemed clear, CYA level almost zero.

    Would it be accurate if testing CYA when water is cloudy? Should I test/add CYA before start shocking it?
    Summer Escape 4k gal-AG
    Intex sand filter 1600 GPH
    Intex SWG model 54601
    Taylor K2006 kit & Taylor Salt Water Test Kit K-1766
    Installed 4/29/13

  2. Back To Top    #2
    Divin Dave's Avatar
    Join Date
    Oct 2013
    Longview, Texas

    Re: CYA testing question

    The CYA level will test ok if the water is cloudy.

    TFP recommends CYA level of about 30 when "shocking' or SLamming it. The reason for that is to preserve the chlorine so it isn't burned off by UV from the sun.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge. Experience- it's what's learned just after you needed it most !!

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