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Thread: testing for copper...

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    testing for copper...

    A(nother) friend's pool plaster is pitted and looks stained - when they asked me to come over, the pH was very low. Tested everything else with the TFTK and all but pH was in range.

    We had a fire last year and a lot of pools got ash, and he said he tried to clear up the algae with Cl, but wound up using an algacide.

    My initial impression was that the pH was too low, which could affect the plaster, but after looking closer, there's definate color in these stains:



    Haven't tried anything yet...

    - Jeff
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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: testing for copper...

    Metals in the water will not cause stains when the PH is low. If the PH has been low the whole time then something else must be going on. On the other hand, if the PH has been fluctuating metal stains would make a lot of sense.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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