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Thread: Water Temp

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    Join Date
    Apr 2008
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    Water Temp

    Didn't know where to put this and apologize if in wrong spot. It's been really hot here the past month and pool water is about to get to the to warm to enjoy temp. I have run the pump continuously for the past 2 months and only occasionally turn on the pump to the water feature. The ? I have is can I turn off the filter pump after dark and run the pump on the water feature until daylight and get the temp down without causing water balance problems?
    22K Gal double roman IG, vinyl, 300lb Crystal-Flo sand filter, 1 hp Sta-Rite pump, WF on pool side with 1.5 hp Challenger pump.

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    frustratedpoolmom's Avatar
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    May 2007
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    Re: Water Temp

    Probably, but it depends on your test results. What kind of water feature is it?
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    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
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    JasonLion's Avatar
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    Re: Water Temp

    This is as good a spot as any.

    You can cool the pool that way, though how effectively it cools depends on what kind of water feature you have. You might also cause the PH to go up, or you might not, depending on a couple of things, (mostly your TA level).
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  4. Back To Top    #4

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    Re: Water Temp

    Thanks for the replies. The water feature stands along the side of the pool and and pulls water from the two drains plumbed in the bottom and rises about 4 foot above the surface dropping back into the pool. Don' t know the turnover rate but assume it's pretty high. The current test results are as follows;
    Fc - 5
    Cc - 0
    Tc - 5
    Ph - 7.4
    Ta - 80
    Cya - 30
    Main concern was not running the filter that long.
    22K Gal double roman IG, vinyl, 300lb Crystal-Flo sand filter, 1 hp Sta-Rite pump, WF on pool side with 1.5 hp Challenger pump.

  5. Back To Top    #5
    JasonLion's Avatar
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    Re: Water Temp

    You do need to run the filter pump some of the time, but with a 1 HP pump you probably only need to run it 6 to 8 hours a day, certainly not 24 hours a day.

    By the by, the waterfall will cool things more if run during the day, though it will also cool when run at night. Cooling depends on evaporation, which is faster during the day.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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