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Thread: High PH/low Alkalinity

  1. Back To Top    #1

    Join Date
    May 2008
    California City, CA

    High PH/low Alkalinity

    It seems like every time I empty, clean and refill my spa, it starts out great but no matter what I do I end up with really hight PH (about 8.0) and really low alkalinity (about 30). I am always confused as to what to do to remedy this problem.
    Templehb - 16,000 gal fiberglass inground pool, Aquapure 1400 SWG, DE filter.

  2. Back To Top    #2

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: High PH/low Alkalinity

    Pool School has the answer. In "ABC's of Pool Water Chemistry"
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  3. Back To Top    #3
    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL

    Re: High PH/low Alkalinity

    You use acid to lower the PH and then Baking Soda to raise up the TA.
    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

  4. Back To Top    #4
    spishex's Avatar
    Join Date
    Oct 2008
    Hillsborough, NC

    Re: High PH/low Alkalinity

    Be sure you keep your air lines closed when you're not using the tub.

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