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Thread: How to rotate bleach stocks

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    How to rotate bleach stocks

    I've been using my bleach oldest first, but I got to thinking to day and wondered if I'm doing it wrong.

    Since the highest concentrations lose the most strength, shouldn't I just be using the highest concentrations first? So, 10% before 8.5% and use the freshest stuff first when the initial concentrations are the same.

    I know I'm probably over optimizing, again, but I already sort the bottles when I buy more, then just use them from one end. It isn't much effort.
    20,000 gal in-ground plaster pool with sand filter. Replastered recently. Mostly adding bleach and acid. CYA was high when I took over.

  2. Back To Top    #2

    Join Date
    Mar 2007
    San Rafael, CA USA

    Re: How to rotate bleach stocks

    Yes you are correct that you should use the highest concentration first as it will degrade faster.
    16,000 gallon outdoor in-ground 16'x32' plaster pool; Pentair Intelliflo VF pump; Pentair IntelliTouch i9+3s control system; Jandy CL-340 square foot cartridge filter
    12 Fafco solar panels; Purex Triton PowerMax 250 natural gas heater (200,000 BTU/hr output); automatic electric pool safety cover; 4-wheel pressure-side "The Pool Cleaner"

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