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Thread: Help! I messed up and added way too much Muriatic Acid..

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    Join Date
    Jun 2016
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    Lafayette, LA
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    Unhappy Help! I messed up and added way too much Muriatic Acid..

    Hello all! I just set up my pool for the season.. I was doing calculations and made a mistake and didn't think twice about it.. I foolishly multiplied the amount of drops by 100 instead of 10.. Leading me to think my TA was 1800 not 180.. I know .. Im an idiot.. Well I went and poured the rest of the gallon of Muriatic Acid into my pool (not the full gallon but about 9-10x as much as I should have used).. The PH went down from 8.2 to 6.8 or possibly lower since that's all the test goes down to for PH.. My question is .. Is this fixable or should I just drain the pool and start over? I did this yesterday and added some Borax last night to try and bring back some PH.. I will test in a few hours when I get home.. Any help is appreciated , thanks in advance
    Intex EasySet 18'x48', 5455 gallons , intex cs8110 SWCG, intex 2500gph sand filter

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    cowboycasey's Avatar
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    Jul 2013
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    Fletcher, OK
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    Re: Help! I messed up and added way too much Muriatic Acid..

    Welcome to TFP

    you crashed your PH and TA, using poolmath http://www.troublefreepool.com/calc.html you can bring it back up, keep adding baking soda to bring your TA to 50, if your TA is still 0, add again to bring TA to 50, continue to do this and it will eventually be at 50, then take your TA to 70...

    check your PH and see where you are, if PH is still low you can add borax, 20 mule team to bring up PH to 7.2

    I hope this helps
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
    links: pool school * Recommended-Levels * SLAM * CYA chart * Test kits * How To Post Pictures * Poolmath * OCLT ** Support your website if we helped you :) **

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    Jun 2016
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    Lafayette, LA
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    Re: Help! I messed up and added way too much Muriatic Acid..

    UPDATE: So I tested when I got home, here are the results and I believe I know what to do.
    chlorine-5
    pH-7.2
    TA-190
    CYA-70
    Salt - 2900

    So it seems I didn't mess it up as bad as I thought, but my TA is still high. So now, if I've read correctly, I just need to aerate until my pH rises to 7.6 then lower pH to 7.2 which will lower the TA also, then repeat those steps until my TA is where I want it. I will also be bringing my salt up to 3300. Sound good?
    Intex EasySet 18'x48', 5455 gallons , intex cs8110 SWCG, intex 2500gph sand filter

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    cowboycasey's Avatar
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    Jul 2013
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    Re: Help! I messed up and added way too much Muriatic Acid..

    That is exactly hour you do it, great job

    I am using my phone so please excuse any spelling errors and short response.
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
    links: pool school * Recommended-Levels * SLAM * CYA chart * Test kits * How To Post Pictures * Poolmath * OCLT ** Support your website if we helped you :) **

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