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Thread: How long to wait to retest pH?

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    How long to wait to retest pH?

    How long after adding muriatic acid should you wait before you retest the pH? My reading was probably over 8.2, so I expect I will need to add more to truly bring it down to the correct level.

    Thanks.

    Kelley
    Kelleyaynn
    21,000 gallon (+ or -) in-ground plaster pool with Nautilus DE filter, 1 hp pump, and Zodiac G4 automatic vacuum.

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    Re: How long to wait to retest pH?

    Pump running...usually 30 minutes to an hour
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: How long to wait to retest pH?

    Thanks.
    Kelleyaynn
    21,000 gallon (+ or -) in-ground plaster pool with Nautilus DE filter, 1 hp pump, and Zodiac G4 automatic vacuum.

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