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Thread: Newbie - cya and shocking

  1. Back To Top    #1

    Join Date
    Jun 2014
    Ottawa, Canada

    Newbie - cya and shocking

    Hi everyone,

    Brand new to the board. I moved into a new home with a 20,000 gallon in ground pool. I had almost all the water drained and put in fresh city water.
    I got the recommended tf100 tester last weekend. I basically had no chlorine, no cya and normal levels of pH.

    I did pool math and added the recommended volume of stabilizer in socks. It's been over a week, and it's still dissolving.

    My question is, can I shock now assuming the cya had reached the level pool math had calculated? Or do I have to wait longer?

    Pool is a little greenish tinge now. Will post pictures soon.

    Can I start the recommended shock level based off pool math now?


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

    Re: Newbie - cya and shocking

    SLAM your pool for the level of CYA you have added-or at least how much has dissolved!. Welcome to the forum.
    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

    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Newbie - cya and shocking

    Can I start the recommended shock level based off pool math now?
    Yes. You can assume the CYA is in your pool and SLAM at that value.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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