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Thread: HELP! Put the wrong chemical in our pool!

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    HELP! Put the wrong chemical in our pool!

    Hi everyone, you're going to think I'm crazy but my sister accidentally poured "Cabot Problem-Solver Wood Brightener" in our pool instead of "Sustain Summer Shield Chlorine Extender" since they are both in almost the same exact bottle. OOPS! We have an above-ground pool that is a round 18' by 48" and holds approximately 7,100 gallons.

    This wood-brightener is supposed to be dissovled in a 5-quart bucket of water, so needless to say it is fairly diluted in our pool. What worries us is that the main ingredient for the woodbrightener is Oxalic Acid (which we are aware some people use to get stains off of their pool liner) but because of the company's policy not to give away the exact composition of their product, we don't know the exact amount of Oxalic Acid.

    Of course we would like to avoid draining the pool, especially since the water appears normal and tests normal with our "Aqua Chek Test Strips", but obviously don't want anyone to swim in the pool until we know it is safe. I will put the full ingredient list for the product below and would really appreciate it if someone could help us figure this out. Thank you!


    Ingredient list (in order) for "Cabot Problem-Solver Wood Brightener" one quart container

    -Oxalic Acid
    -Amine light stabilizer
    -Bis (1,2,2,6,6-Pentamethyl-4-Piperidiryl)
    -Dimenthyl Sebacate
    ~26700 gal 18x36 rectangle In-Ground built in 1978
    Vinyl liner, 3/4hp Hayward Super pump, single speed 3450rpm
    Sand Filter: 300 pound sta-rite T-240BP-1, 3.14 sqft surface area
    Compupool CPSC48 SWG installed 3/26/2012, Cell Failure, near meltdown in July 2013 :(
    K-2006 Test kit

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    In the Industry

    Join Date
    Jul 2009
    London and France

    Re: HELP! Put the wrong chemical in our pool!

    Guess thats why people are taught to read

    The compound will be as you say quite diluted and the oxalic acid will sequester any metals in the pool so that good be good news. The Dimenthyl Sebacate isn't water soluble so will probably just sink to the bottom so vac it out if you can see it, it may form up with any dirt in the pool being a polymer.

    The Amine light stabilizer, looks like it may help your CYA reduce the photo oxidisation of the chlorine with any luck

  3. Back To Top    #3

    Join Date
    Mar 2007
    San Rafael, CA USA

    Re: HELP! Put the wrong chemical in our pool!

    The oxalic acid will get oxidized by chlorine so you may find a temporarily higher-than-normal chlorine demand, but at least when that's over the oxalic acid will be gone -- converted to carbon dioxide.

    If the amount of oxalic acid is large and/or you have high Calcium Hardness (CH), then you may find the pool water getting cloudy from calcium oxalate. Since your pool appears normal, it sounds like that didn't happen so that's good.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
    12 Fafco solar panels; Purex Triton PowerMax 250 natural gas heater (200,000 BTU/hr output); automatic electric pool safety cover; 4-wheel pressure-side "The Pool Cleaner"

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