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Thread: "Shelf life" of bleach...

  1. Back To Top    #1

    Join Date
    Feb 2009
    College Station, Texas USA

    "Shelf life" of bleach...

    I have a Stenner pump hooked up to a 15 gal storage tank (it is dark opaque plastic, not transparent). I have been having trouble maintaining my FC level, and wonder if bleach, once opened out of the bottle and put in a tank, degrades.

    I can do a test of the bleach itself easily enough, but wanted to ask this question on the forum. Its possible my bleach's potency has withered away? If so, then I need to come up with a process to refresh the bleach in the tank every X days or weeks.
    Location: College Station, Texas
    9K gal in-ground plaster pool
    Hayward ProGrid D.E. 2420 Filter
    Hayward Northstar Series 1HP Pump/Motor
    Stenner 3 GPD bleach pump and Pentair 320 Inline Chlorinator

  2. Back To Top    #2
    BoDarville's Avatar
    Join Date
    Jun 2012
    DFW, Texas

    Re: "Shelf life" of bleach...

    This thread has the answers to your question: Breakdown of bleach over time by storage temperature - Page 2
    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
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