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Thread: WAY overchlorinated, I think!

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    WAY overchlorinated, I think!

    Hello,
    This is my second year using the BBB method with the TFP test kit, and I'm hooked both form the economic as well as the control standpoint. Thanks for this information.
    With that being said, I accidently added 3 of the 1 gallon jugs of 12.5% pool chlorine to my 24' above ground pool this past weekend. Even with the pump continually running, I just measured about 40 ppm of free chlorine!
    I'm sure my liner will turn white and my solar cover will melt; but what I'd really like to know is if there is a way to reduce this effectively?
    I can't imagine how long it will take just letting the sun drop the level to 10 or so, so that we can swim and get it to drop more?
    I've thought about draining some of it, or adding peroxide.
    Do you think that I should just wait it out?
    I couldn't believe it when I had to put 80 drops into the vial to make it turn clear! my Taylor kit was dark orange!

    Thanks,
    Dave
    Dave
    24' round AG
    sand filter
    1hp pump
    BBB user

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    Mod Squad Bama Rambler's Avatar
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    Re: WAY overchlorinated, I think!

    What's your CYA? I bet it doesn't take nearly as long as you think it will to come down naturally.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/╝hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: WAY overchlorinated, I think!

    Thanks.
    I will check all the numbers again tonight after work.
    This is what I get for trying to multitask a new garage roof and opening a pool on the same weekend!
    Dave
    24' round AG
    sand filter
    1hp pump
    BBB user

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    Mod Squad woodyp's Avatar
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    Re: WAY overchlorinated, I think!

    The higher the levels, the faster they drop off from say your "normal" levels. You will lose a greater percentage of that high number over the same time.
    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
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    Join Date
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    Re: WAY overchlorinated, I think!

    I think acetic acid is supposed to cancel chlorine- you can test in a 5 gal bucket; fill with pool water, add small amount of AA (1 oz?) and retest chlorine. if it drops, then it works...
    24ft x 52in AGP 18000 gal
    sand filter, 200#,1.5 hp single speed pump
    Wood deck (still in progress...)

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    kenmar's Avatar
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    Re: WAY overchlorinated, I think!

    Just invite some kids to come over and pee in your pool
    20'x40' / 30,000 Gal / In Ground / Vinyl
    Pentair FNS 48 DE Filter / Pentair Challenger 1.5 HP Pump
    Jandy Lite2 400k BTU Propane Heater / Dolphin Dynamic cleaning robot
    TF-100 Test Kit / BBB
    Creator of SimplePool (BBB Friendly Android App) http://www.simplepool.net

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    JasonLion's Avatar
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    Re: WAY overchlorinated, I think!

    There are various ways to lower the FC level, but 99% of the time one or two sunny days is all that is needed to take care of it.
    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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    Re: WAY overchlorinated, I think!

    Quote Originally Posted by kenmar
    Just invite some kids to come over and pee in your pool
    Dang, beat me to it...
    ~45Kg Pool with attached Spa, NSP-72 DE, Minmax 400 Heater, Tahoe Blue Pebbletech, Jandy SWG via Aqualink RS-8, The Pool Cleaner (black)
    Pumps: X3 Hybrid Pump (switches to SPA), 2HP Spa (additional, when SPA is on), and a 1HP For Waterfall
    8, 4x12 Solar Panels on the roof of the pool-house (~12' up)
    CAPTAIN JAMES T. KIRK: "I'M SORRY. I CAN'T HEAR YOU OVER THE SOUND OF HOW AWESOME I AM" (Thanks to TFP!)

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    Join Date
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    Re: WAY overchlorinated, I think!

    Take your solar cover off too
    15,600 Gallon, 16' x 32' In-Ground Vinyl Pool
    Pentair VS 3050 pump, Quad DE 60 filter and SunTouch controller
    8 gallon Liquidator, Aquatherm EcoSun Solar Panels, 2 wheel ThePoolCleaner

  10. Back To Top    #10

    Re: WAY overchlorinated, I think!

    Well, once again the experts on this site been proven correct for their given information.
    I can't believe it (maybe alot of chlorine floating on top?) but after one relatively sunny day with the solar cover off, I have the following:
    TC: 16
    CC: 0
    TA: 110
    PH: 7-7.5
    CYA: about 30 (still having trouble pinpointing the exact level that I really can't see the dot)
    Temperature: 75┬░
    location: Soutwest Michigan

    Thanks again. We'll probably be swimming this weekend after finishing the garage roof!
    Last year with the first year for the BBB method, and after the mishap of too much chlorine, I'm closer to correct chemistry than I've ever been this early in the year!
    Dave
    24' round AG
    sand filter
    1hp pump
    BBB user

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