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Thread: Start Up CYA confusion

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    Join Date
    May 2016
    new orleans, louisiana

    Start Up CYA confusion

    I am just getting my first readings using the TF-100. Water is a bit cloudy. Per pool math I added 20oz of 8.3% bleach at 9am. Added 56oz of liquid stabilizer about noon. My CYA test is giving me a 0 reading taken shortly after adding the liquid stabilizer. Is there a proper time to add liquid stabilizer after adding chlorine? Is there an optimal time to test CYA after adding stabilizer?


    PH 7.5
    CH 250
    TA 150
    FC 4
    CC 1
    TC 5
    CYA 0?
    16' x 42" round 4500 gal, AG Intex Easy Set, Intex 633T Cartridge Pump, 2500gph, TF-100 test kit

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

    Re: Start Up CYA confusion

    ASSUME what you added is in there and keep your FC levle mainatained for that level. Mya be next day before that registers even with liquid. Welcome.
    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
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

  3. Back To Top    #3
    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: Start Up CYA confusion

    Welcome to TFP!
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

  4. Back To Top    #4
    Divin Dave's Avatar
    Join Date
    Oct 2013
    Longview, Texas

    Re: Start Up CYA confusion

    Stabilizer takes a little while to show up on the test. Wait a day or 2 and retest it.
    In the meantime, just consider that you have x amount in the pool and you'll be fine.
    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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