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Thread: When can I add chlorine after AA treatment?

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    JenMichelle's Avatar
    Join Date
    Apr 2014
    St. Louis

    When can I add chlorine after AA treatment?

    I just did an absorbic acid treatment with a sequestrant about 5 hours ago and my pool looks perfect. Before this I did 3 partial refills to lower my CYA so I have 0 chlorine. When can I start to add it? I wasn't sure if I had to wait.
    24' x 52" AG / Hayward Sand Filter
    Hayward Power-Flo 2 Speed Pump
    TF100 test kit / Pool Rover Hybrid Robot
    St. Louis, MO *GO CARDINALS*

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: When can I add chlorine after AA treatment?

    You should wait 24 hours before starting to raise the FC level very slowly back up to normal.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: When can I add chlorine after AA treatment?

    The directions say to wait.

    When the stain is gone, add enough sequestering agent for the volume of your pool - more is better than not enough.

    Put the filter back on filter and leave it on 24/7.

    The ascorbic acid will bring your ph down, and sometimes the alkalinity. After 24 hours you can start to rebalance the water.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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