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Thread: TF-100 OTO test

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    AV8TOR's Avatar
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    Dec 2008
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    Fort Worth TX
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    TF-100 OTO test

    OK my FC is 16 so that renders my OTO test useless or does it. I have read that you can add 10% pool water to 90% distilled water test and read then multiply the result by 10. Will that work with this OTO test for high TC values on a daily basis or don’t bother?
    16,000 gal IG Double Roman Plaster Pool (16yrs - plaster redone 2014)
    Pentair FNS-48 DE filter with WhisperFlo 2HP single speed pump
    Polaris 280 robot
    BBB all the way and tested with a TF100 kit
    Pool Calc user

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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: TF-100 OTO test

    No, it won't work. The accuracy gets diluted by virtually the same amount so it renders the test almost useless. You'll need to test with your FAS/DPD test for now and then use the OTO this coming Spring (or when you get your CYA down).
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    AV8TOR's Avatar
    Join Date
    Dec 2008
    Location
    Fort Worth TX
    Posts
    211

    Re: TF-100 OTO test

    OK thanks for clearing that up
    16,000 gal IG Double Roman Plaster Pool (16yrs - plaster redone 2014)
    Pentair FNS-48 DE filter with WhisperFlo 2HP single speed pump
    Polaris 280 robot
    BBB all the way and tested with a TF100 kit
    Pool Calc user

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