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Thread: Cyanuric Acid

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  1. #9
    Join Date
    May 2010
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    119

    Default Re: Cyanuric Acid

    Quote Originally Posted by Sue225 View Post
    Well we dumped 1/2 of pool water and are in the process of refilling. One question, the liner looks like it is rippling. Is this normal? Also. there is 0 chlorine in the pool. Should I add some bleach? Will it be OK through the evening and night. Looks like we have about 8 hours left to complete filling.
    As it is refilling, try to straighten out any wrinkles. I don't have a liner pool but I've read that some people have used a clean toilet plunger to remove them.

    As soon as the pool is filled, re-test the CYA level and add sufficient liquid chlorine or 6% bleach to increase Free Chlorine to about 7% of CYA. E.g. If the test result indicates CYA= 50 PPM, add enough bleach to your 15K pool so that Free Chlorine is about 3.5 PPM. Or just go by this chart:

    The Pool Calculator is handy for estimating chemical additions.
    Last edited by polyvue; 06-17-2010 at 08:55 PM. Reason: Corrected typo
    16'x29' free-form 14K gal IG gunite pool; SWCG & sodium hypochlorite 8.25%; Hayward SwimClear C4025 cartridge filter; Hayward SP3202VSP TriStar Variable Speed Pool Pump; custom test kit based on Taylor K-2006C; city; PF:8.6

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