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Thread: Test results - No chlorine again after only 48 hours

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    Glock's Avatar
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    Test results - No chlorine again after only 48 hours

    It seems my pool is using 238oz. of bleach every 2 days. Is this alot? I tested day before yesterday and was at 0. I added 240oz and today it was back to 0. The water is crystal clear and looks fantastic. My pool is in 100% sunlight all day long. Temp is in the 90-100's here and water temp is a steady 90 degrees. Here is my latest test:

    FC 0
    CC 0
    PH 7.8
    TA 110
    CYA 40
    Calcium 130

    Since I have a AGP should I worry about the calcium test? I added bleach again and am running another FC test tonight to see if its getting to 5ppm as stated in pool calculator. I might have more gallons than pool calculator says I do.
    18x34 Doughboy AGP 22300K Gallons - Build Thread
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    Glock's Avatar
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    Re: Test results - No chlorine again after only 48 hours

    New chlorine test results. This is after 182 oz of bleach (ran out. going to Sam's tomorrow) and 1 hour of circulation with the pump.

    FC 5ppm
    CC .5
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    Richard320's Avatar
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    Re: Test results - No chlorine again after only 48 hours

    Pool Calculator says that much 6% bleach will raise FC by 5 in a 23000 gallon pool. 5 ppm in 2 days sounds right. Maybe even a little low given the heat. You need to aim higher, so that even after you lose the daily amount you're still above minimum, which is 3 for your CYA level of 40.

    Low Calcium is no concern to you, but high Calcium could be - scale will still form on a vinyl liner. You could probably get away with testing it monthly.
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    Glock's Avatar
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    Re: Test results - No chlorine again after only 48 hours

    ok. Cool. Just making sure.
    18x34 Doughboy AGP 22300K Gallons - Build Thread
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    Re: Test results - No chlorine again after only 48 hours

    Pool calc should be giving you a range for fc 3-7
    You should dose with chlorine daily up to the 7 ppm
    And never let it go below 3 if below 3 for any significant time organics can get a small foothold and over time consume more chlorine then you are adding

    Recap you should be targeting 7 fc not 5
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