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Thread: Alkalinity Increaser with PH Decreaser

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    Alkalinity Increaser with PH Decreaser

    A friend of mine went to the pool store and got his water tested. They told him his alkalinity was too low and his PH was too high. Is this possible? Seems fishy to me since we've had a LOT of rain lately. My pool always needs PH increaser when it rains. They ended up selling him Alkalinity Increaser and PH Decreaser.

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Alkalinity Increaser with PH Decreaser

    It's possible for pH to be high and TA low, but what they sold him didn't help......he got Pool stored.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL

    Re: Alkalinity Increaser with PH Decreaser

    He should take both back.

    Adding both will affect both levels if not done correctly.

    Assuming his PH was high, he can use Muratic Acid to lower the PH. Then, he would add Baking soda to raise the TA. This can be done for a lot less money than those chems cost him....

    He should get his own test kit to verify the numbers himself. At the very least the 6-way HTH test kit available at some Kmarts and Wal-marts for around $20. At least the PH/TA tests are accurate then...

    Anything is possible, but I think the majority of pool store tests are full of errors....and designed simply to sell expensive chems....
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner

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