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Thread: CYA levels reading 0

  1. Back To Top    #1

    Join Date
    Jul 2013
    British Columbia/Canada

    CYA levels reading 0

    I was wondering about the stabilizer. I added the recommended amount for my pool in July and my CYA registered zero. I added another full amount 9 days ago (late Sept) to balance my water before closing the pool for the winter and it is still registering zero. I used a sock and put it in the skimmer both times. Should I worry about it? Here is how everything looks. I have a vinyl pool with SWG.
    FC 5
    PH 7.6
    TA 50
    CH 60
    CYA 0
    Thank you

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: CYA levels reading 0

    Please add your pool details to your signature as described HERE as it will help us help you.

    How are you testing?
    How much did you add?
    What is the volume of your pool?
    Specifically what product did you use and what is the listed ingredient?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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  3. Back To Top    #3

    Join Date
    Jul 2013
    British Columbia/Canada

    Re: CYA levels reading 0

    Ok I've added my signature. That was hard, lol.
    I'll get the other information in daylight hours.
    I'm back. I re did my homework and I have not added enough stabilizer. 11 700 gallons = 44289 litres. Using HTH stabilizer (walmart) says to add 250 gr per 10 000 litres. I only added 300 gr for 11 700 gallons (twice)...oops.
    I will add another 500 gr and go from there.
    Thank you for getting me to update my signature jblizzle , as I needed to do that anyway.
    Last edited by MrsD; 09-30-2014 at 12:27 PM. Reason: added more info
    Galaxy 21' x 54" 11 700 gallon A/G pool, Hayward Turbo Flo ll pump 1.5hp, Hayward 19" Sand Master filter 40gpm Vari-Flo XL valve, Krystal Clear SWG, Hayward pool heater 100 000 btu, Taylor K-2006 test kit., Wally the Whale auto pool cleaner. Installed July 2014.

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