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Thread: CYA results

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    cj3737's Avatar
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    Jun 2016
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    North Ogden, UT
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    CYA results

    Just did CYA again after adding about 3lb... Just to be clear.. the dot doesnt actually disappear.. right? Its just the cloudiness of the mixed solution that obscures the visiblity?

    If thats the case im sitting about 37-38ish.. Just above the 40 mark on the K2006

    Primed to start my slam in the AM.
    Going to throw in a little bit more bleach to get a jump on the over night sanitation

    FC 6.5
    CC 1
    PH 7.4 and dropping with the addition of the CYA

    Any early evening advice?
    Inherited 24' Muskin Above ground
    13500 gal
    Hayward S180T92S Sand filter
    Taylor K-2006C Speedstir
    TFPC for Beginners | Pool Math | Pool School | CYA Chart | SLAM | Test Kits | ABC's

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    Pool Tool's Avatar
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    May 2014
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    Western Chicago Area, IL
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    Re: CYA results

    Correct, the cloudiness obscures the dot thus the importance of lighting and placing tube at your waist.

    Call CYA 40 and raise FC levels to 16 when you start slam.

    I don't believe CYA will reduce pH, are you dropping it with muriatic acid right?

    16' x 32' (21100 gal), vinyl, 1.5 hp Hayward SuperPump,
    Tagelus TA60/60D Sand Filter, Raypak 399K Digital Heater, TF-100

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    cj3737's Avatar
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    Re: CYA results

    I dropped with acid yesterday but not today...Im sitting at the high end of the slam value and negated the aeration, just keeping a flow. So hopefully itll come down a titch.
    Just added a bit more bleach to about nine to start eating the nasties and itll prolly be lower in the am. I can add about 13 oz in about 30 min to bring it down to 7.3 leaving a little drop value if the stabilizer takes it down more.

    Targeting 16 instead of 12 now
    Inherited 24' Muskin Above ground
    13500 gal
    Hayward S180T92S Sand filter
    Taylor K-2006C Speedstir
    TFPC for Beginners | Pool Math | Pool School | CYA Chart | SLAM | Test Kits | ABC's

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    Pool Tool's Avatar
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    May 2014
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    Western Chicago Area, IL
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    Re: CYA results

    Sounds like you have it all under control! Good luck.

    16' x 32' (21100 gal), vinyl, 1.5 hp Hayward SuperPump,
    Tagelus TA60/60D Sand Filter, Raypak 399K Digital Heater, TF-100

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