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Thread: Numbers- do I need to add anything?

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    new2pools's Avatar
    Join Date
    May 2007
    Location
    Hampton Roads/Virginia
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    180

    Numbers- do I need to add anything?

    FC-6.0
    CC- .5
    CYA- 20
    TA - 120
    CH-90
    PH - 7.6

    Pool water is crystal clear.

    Thanks!!
    27' Round AGP, 17200 GAL, 2 HP/2 SPD Pump/Cartridge Filter.......BBB!

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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    30,082

    Re: Numbers- do I need to add anything?

    Your teswt results look fine except for CYA.

    20ppm is a little low and, while it doesn't hurt anything, causes you to use a lot of chlorine.

    I would suggest increasing CYA to 40 or so if you live in the North and perhaps as much as 60 if you live in the very deep South.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    new2pools's Avatar
    Join Date
    May 2007
    Location
    Hampton Roads/Virginia
    Posts
    180

    Re: Numbers- do I need to add anything?

    Thank you!
    27' Round AGP, 17200 GAL, 2 HP/2 SPD Pump/Cartridge Filter.......BBB!

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