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Thread: Winter maintenance question

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    Winter maintenance question

    Hi all,

    This was my first summer using the BBB method and I'm a total convert! So much easier and cheaper than the pool store. My question is how much does the amount of bleach used change during the winter? I have been putting in half a 182 oz bottle each day and that's been keeping the water just about perfect, plus the occasional addition of muriatic acid. Also, do you test the water each day during the winter/off months? I don't plan to cover the pool until around February when the oak trees start dropping leaves.
    18 x 44 AG pool 20,000 gallons
    sand filter

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    BoDarville's Avatar
    Join Date
    Jun 2012
    DFW, Texas

    Re: Winter maintenance question

    My bleach usage has dropped by about 2/3 since summer. The cooler water combined with the shorter days and lower sun angle result in less chlorine loss due to sunlight. In winter, I keep my FC level at the low end of the range for my CYA whereas in summer I keep the FC level in the mid-to upper part of the range based on swimmer load and water temp.

    As for testing, I test FC and pH about 3 times per week from about now until mid-March. I use the FAS-DPS chlorine test once per week so I can test FC & CC. I use the basic OTO chlorine test the other times. I test TA once a week.

    My MA usage also drops since I keep the pH a bit higher in the cooler water.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

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