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Thread: Sunny Day, Pump On or Off, FC Burn Increase/Decrease

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    Z7What's Avatar
    Join Date
    Mar 2015
    New Orleans Area

    Sunny Day, Pump On or Off, FC Burn Increase/Decrease

    I came across a thread yesterday that said turning off the pump and letting the sun beat on the pool to warm is work pretty good even without a solar cover.

    Curious if on a sunny day does FC burn faster or slower with NON moving water.

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  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Sunny Day, Pump On or Off, FC Burn Increase/Decrease

    The sun will add the same amount of heat to the pool whether the pump is running or not.
    All a "solar" cover really does is retain the heat that is usually lost to evaporation and radiation at night.

    The FC loss should be roughly the same either way as well.
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