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Thread: Filter operating cost?

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    meatloaf's Avatar
    Join Date
    Feb 2008
    Gilbert AZ

    Filter operating cost?

    How much do you figure you spend on electric to run your pump per day / month? Do you run your pump day or night? Also
    how many hours a day do you run the pump?
    My pool is a 10,500 gallon (420 Sq Ft ) kidney shape. A hand made sheer decent waterfeature. STA-RITE HRPB30, Sand filter 30" 98 GPM,
    1 HP Maxi-Glas 2 pump, BBB Method, Taylor K-2005 test kit, 50 Watt 12V low-voltage pond light illuminates the pool at night for a nice soft glow.
    250 gallon stand-alone hot tub. Got it FREE!

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    Join Date
    Dec 2007
    Central New York

    Re: Filter operating cost?

    For me ..... $1.10 a day. cost 13 cents a KW. I run my pump 24/7.
    I run it around 350 watt per hour or less pumping 31 gpm.

    I also run my Rola-Chem chlorinator 24/7.

    20 X 40 foot vinyl Borates and Salt Pool
    Rolachem Chlorine Feeder
    Hayward 27 inch sand filter with 80 lbs of pea gravel
    Jacuzzi Splash Pak SP55 DE filter in parallel
    Pentair VF3050 pump

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    searayboater's Avatar
    Join Date
    Jul 2008
    The Great State of Texas

    Re: Filter operating cost?

    Amps X voltage divided by 1000. That sum X your cost per kilowatt hour. That sum is the cost, in dollars and cents, to run your pump per hour. Multiply that sum X the number of hours you run your pump. This is the daily cost. Daily cost X 30 will compute your monthly cost.


    11 amps X 110v = 1210/1000 = 1.21 X .13 per kilowatt hour = $0.15 to run the pump for one hour X 8 hours = $1.20 is the cost to run the pump for 8 hours.

    $1.20 X 30 approx days in a month = $36 is the cost to run the pump per month.
    18' AG Pool, 6900 gallons, 55 sq. ft. Hayward Easy Clear Cartridge Filter, 1hp Power Flow LX Pump, North Texas

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    lee872's Avatar
    Join Date
    Aug 2012
    Central Massachusetts

    Re: Filter operating cost?

    Wow - my kwh price is .11272. So 15 X 115/1000 = 1.725*.11272 = .19 per hour * 24 hours = 4.7 per day. I run 24 hours a day, for $139 per month. Without the formula, I'd have taken a guess that the pump costs around $150 per month. I didn't realize how variable electric rates are in different regions.
    35,000 gallons - inground vinyl liner -- sand filter - 1 HP, 50.76 GPM - Aqua Rite T-Cell 15 SWG - Dolphin Apollo Plus - TF-100

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