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Thread: full test results

  1. Back To Top    #1

    Join Date
    Jul 2014
    Hudson, wi

    full test results

    I finally did a complete test and here are the results, question is everything seems to be working good, do I need to make adjustments?
    CH- 175
    TA- 90
    PH- 7.3
    CYA- <20
    FC- 6 had people over yesterday and put a full gallon of 12% in after, guess I didn't need that much.
    CC- .5

    I get less than 2 hours of sun a day and it isn't the entire pool so I wasn't sure if I need to mess with the cya. I use about 1/2 gallon of 12% a day. Thanks
    21,000 gallon IG with vinyl liner, Pentair sand filter, TF100 test kit, pool is about 15 years old.
    new in 2016 - Hayward SWCG with T15 cell

  2. Back To Top    #2
    Butterfly's Avatar
    Join Date
    May 2007
    South Carolina

    Re: full test results

    My only suggestion is to increase CYA to at least 30, maybe even 40 since you have a sand filter.

    <20 seems too low for an outdoor pool, especially since we recommend 20 for an indoor pool!
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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