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Thread: Night or Day? When do you run the pool pump?

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    Night or Day? When do you run the pool pump?

    What time of day do you all run your pump?

    I have read the pool school section about how long I should run the pump but I was wondering if anyone had a preference about the time of day?

    Logic would tell me that during the sunniest part of the day would be the optimal time of day to run the pump as the Sun kills chlorine and promotes algae growth.

    On the other hand, my power company offers a discounted power plan sort of like cell phone companies. Power will be cheaper if I use most power at night and on the weekends, but from 1pm to 8pm on weekdays it will cost more, if I choose this plan.

    Currently I'm using the standard plan as I have been under the impression that running the pump during the hottest part of the day was important for reasons I explained earlier.

    Thanks guys
    1)18,900 gallons 28 x 15 ft rectangle
    2)Sand
    3)IG
    4)Concrete
    5)Not sure about my pump

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    texasdad's Avatar
    Join Date
    Jun 2011
    Location
    DFW Metro
    Posts
    186

    Re: Night or Day? When do you run the pool pump?

    I run mine at night because it helps keep water temperature down (not sure why but it works).
    It doesn't matter as long as you run it enough hours per day.
    13k gallon IG gunite pool
    Jandy 2 speed pump
    Jandy cartridge filter
    Stenner Pump and tank

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    Re: Night or Day? When do you run the pool pump?

    Quote Originally Posted by texasdad
    I run mine at night because it helps keep water temperature down (not sure why but it works).
    It doesn't matter as long as you run it enough hours per day.
    Ok, thanks for the info.
    1)18,900 gallons 28 x 15 ft rectangle
    2)Sand
    3)IG
    4)Concrete
    5)Not sure about my pump

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    Re: Night or Day? When do you run the pool pump?

    I run at night when it is hot. Start about midnight and run to 10, plus the waterfall runs two times during the day (pulls from the deep end), and the Polaris runs a few times which adds an hour or two midday.
    23,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris 380 cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas.

    Pool owner since Nov 2008, Trouble Free since April 2009. Happy to help when I can.

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    Join Date
    Apr 2011
    Location
    Lynchburg VA
    Posts
    393

    Re: Night or Day? When do you run the pool pump?

    I run mine at night when the rates are cheaper. I have it on a time but the timer only turns the pump off at about 6am. I turn the pump on myself when I get off work or just go out to check on the pool.
    18x36 Vinyl In-ground w/roman ends 27,400G, Hayward 3/4hp with 300# sand filter. Hayward heat pump heater

    Pool School
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    ivyleager's Avatar
    Join Date
    Sep 2007
    Location
    Raleigh-Durham,NC
    Posts
    489

    Re: Night or Day? When do you run the pool pump?

    I don't run it btw 12 - 7, when our rates are higher. HOWEVER, when I have a water issue, I run it 24/7.
    CaryB
    36 x 18 IG vinyl, 25K, 1 HP pump, sand filter
    1 skimmer, 2 returns, no main drain
    Old school: PoolSolutions test kit

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    x2rider's Avatar
    Join Date
    Jun 2011
    Location
    Bartlesville, OK
    Posts
    212

    Re: Night or Day? When do you run the pool pump?

    My timer runs 8pm to 12pm, then 6am to 10am... almost 12 hours apart.

    If we have a pool party, I turn it on.
    27000 gal 18x36 rectangle In-Ground built in 1978
    Vinyl liner, 3/4hp Hayward Super pump, single speed 3450rpm
    SWG: Hayward Aquarite AQR15
    Sand Filter: 300 pound sta-rite T-240BP-1, 3.14 sqft surface area
    K-2006 Test kit

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