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Thread: How long do you run your pump?

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    How long do you run your pump?

    Would appreciate any input.

    I have a small pool and large pump, so I could run the pump on high for approx 1.5 hours and turn over the entire pool. (not checked how long it would take on low)

    Question is, would you run the pump at low speed for 12 hours (all day) or would you run it at high speed for two (or more) 2-3 hour intervals during the day. Does it matter?

    Idea was to save power with a 2 speed and just turn it on high to add chlorine.

    Thanks in advance.
    My AG Frankenpool 16' / 6,041g
    Hayward C900 Star-Clear Plus Cartridge Filter
    Hayward 2-Speed Power-Flo Matrix 1.5HP Pump
    Pentair 320 In-Line Chlorinator

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    Jumpin' Joan's Avatar
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    Re: How long do you run your pump?

    Just based on my own experience with a 5K IG fiberglass pool supported by a single speed 1hp pump with a 2-hr. turnover rate in the high desert with light bather loads, I successfully filter 6 hours a day in warmer months and 4 hours a day during our cooler months. When the winds are up, I extend the run by another 2 hours due to airborne particulates.

    Before conserving power, consider your constraints to maintain a healthy pool. What is your turnover rate for the lower speed? Is the pool exposed to wind or high levels of debris? What are your bather loads?
    13 yr. old 5000 ga. inground fiberglass pool filtered by multi-port StaRite housing 300 lbs. of glass media and powered by a 1 hp single speed pump. City water supply is aquifer based, heavily laden with copper and calcium. Drought restrictions are in place. TFPC method supported by TF-100 test kit and Taylor SpeedStir.

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    Mod Squad woodyp's Avatar
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    Re: How long do you run your pump?

    Scratch the whole idea of "turnover rates" folks. Doesn't mean much. If your pool stays clear, it's clear.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
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    DaninFLA's Avatar
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    Re: How long do you run your pump?

    i would try running it on low speed for 10 hours per day and then adjust downward. the cost of running it on low speed are pretty low, how many watts does it use on low speed? if you know that you can calculate how much money it costs.

    i would only run it on high when you are vacuuming, etc. no need to run it on high to add chlorine, it will be fine.

    and turnover rate, etc, doesn't mean anything. you run the pump long enough so that your pool is clean to your standards. i have a single speed pump and i run my pool about 5 hours a day during the summer, probably around 3 hours during winter.

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    Quote Originally Posted by Jumpin' Joan View Post

    Before conserving power, consider your constraints to maintain a healthy pool. What is your turnover rate for the lower speed? Is the pool exposed to wind or high levels of debris? What are your bather loads?
    turnover rates mean nothing. filtering has no impact on pool chemistry, chlorine levels do. as far as removing leaves, etc...you run your pump long enough to remove all that to your satisfaction. that might be 4 hours for some, or 15 for others. i would try and run your pump as little as possible to save money.
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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    Re: How long do you run your pump?

    I only have a single speed but manage to keep mine clean with 4 hours of run time each evening and having it on when swimming.

    Pool School article on run times - - > Pool School - Determine Pump Run Time
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    Jumpin' Joan's Avatar
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    Re: How long do you run your pump?

    Quote Originally Posted by DaninFLA View Post
    turnover rates mean nothing. filtering has no impact on pool chemistry, chlorine levels do. as far as removing leaves, etc...you run your pump long enough to remove all that to your satisfaction. that might be 4 hours for some, or 15 for others. i would try and run your pump as little as possible to save money.
    So noted... I'm just one of those persnickety ones who likes a clean pool,
    even when it's only a water feature in Winter.

    13 yr. old 5000 ga. inground fiberglass pool filtered by multi-port StaRite housing 300 lbs. of glass media and powered by a 1 hp single speed pump. City water supply is aquifer based, heavily laden with copper and calcium. Drought restrictions are in place. TFPC method supported by TF-100 test kit and Taylor SpeedStir.

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    Re: How long do you run your pump?

    First depending on the cleaning system and water adjust higher speed for cleaning then figure gallons in cleaning cycle deduct it from what turnover rate your shooting for. Then run it as low as you can to do the rest of the turnover. Also check on your on peak off peak costs.



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    DaninFLA's Avatar
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    Re: How long do you run your pump?

    Quote Originally Posted by Jumpin' Joan View Post
    So noted... I'm just one of those persnickety ones who likes a clean pool,
    even when it's only a water feature in Winter.

    I like a clean pool too, and mine is perfectly clean. I just don't need to run my pump very long to do that. the "turnover" rate when it comes to pools is just outdated. run time should be based on how long it takes to clean your pool is all. it could be more or less than the "turnover rate", every pool is different.
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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    Jumpin' Joan's Avatar
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    Re: How long do you run your pump?

    Quote Originally Posted by DaninFLA View Post
    I like a clean pool too, and mine is perfectly clean. I just don't need to run my pump very long to do that. the "turnover" rate when it comes to pools is just outdated. run time should be based on how long it takes to clean your pool is all. it could be more or less than the "turnover rate", every pool is different.
    Oh Dan... I wasn't suggesting your pool (or anyone else's) wasn't clean. And I do agree, any number of circumstances will dictate how long it takes for a pump to maintain someone's preference assuming their chemistry is in order.

    For instance, despite being snuggled fairly close to my hacienda the pool is exposed to the elements (the worst of which is wind that carries seasonal air-borne contaminants). I also have mature pine trees and a "no tell-motel for birds" in an adjacent plum tree. Desert willows and mesquite abound in my neighborhood too. All are contributors to lots of skimming and vacuuming... and extended filtration is a terrific aid.

    Sorry if I offended you. It was not my intent.
    13 yr. old 5000 ga. inground fiberglass pool filtered by multi-port StaRite housing 300 lbs. of glass media and powered by a 1 hp single speed pump. City water supply is aquifer based, heavily laden with copper and calcium. Drought restrictions are in place. TFPC method supported by TF-100 test kit and Taylor SpeedStir.

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    DaninFLA's Avatar
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    Re: How long do you run your pump?

    no, Joan, not offended at all

    just an example that everyone's needs are different, and illustrates that the old two turnover "rule" means absolutely nothing and shouldn't be used to determine how long to run your pump.

    those birds sound like a nuisance
    Dan
    9,000 gallon in-ground Saltwater pool, plaster, cartridge filer, 1.0 hp pump, Hayward T-15 SWCG, TF-100
    Pool School - Chlorine / CYA Chart; Pool School - Test Kits Compared;

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    Re: How long do you run your pump?

    Quote Originally Posted by DaninFLA View Post
    no, Joan, not offended at all

    just an example that everyone's needs are different. those birds sound like a nuisance
    So glad you weren't offended, Dan. Truly.

    As for those birds... they are indeed a nuisance but it's the worst when the plums are in fruit.
    It can look like the Chicago Massacre every morning for about a month in Spring.
    13 yr. old 5000 ga. inground fiberglass pool filtered by multi-port StaRite housing 300 lbs. of glass media and powered by a 1 hp single speed pump. City water supply is aquifer based, heavily laden with copper and calcium. Drought restrictions are in place. TFPC method supported by TF-100 test kit and Taylor SpeedStir.

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    Re: How long do you run your pump?

    Quote Originally Posted by IntegrityPoolCare View Post
    First depending on the cleaning system and water adjust higher speed for cleaning then figure gallons in cleaning cycle deduct it from what turnover rate your shooting for. Then run it as low as you can to do the rest of the turnover. Also check on your on peak off peak costs.


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    Quote Originally Posted by woodyp View Post
    Scratch the whole idea of "turnover rates" folks. Doesn't mean much. If your pool stays clear, it's clear.
    Woody has the correct approach here. Turnover means diddly-squat. Running your pump cycles during off-peak hours when practical/available is a good idea though.
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    susa's Avatar
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    Re: How long do you run your pump?

    We run multiple IG pools in the deep south 24-7. Using Pentair VF pumps on a power and speed setting that consumes a whopping 100 watts of power for most of the time and with a programmed Features setting that overrides the ultralow speed and turns on the SWCG for a couple hours

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    aussieta's Avatar
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    Re: How long do you run your pump?

    i run 4 hours per day in winter and 8 hours in summer (2x 4hour blocks)
    mainly for the skimmer to collect leaves
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    are you taking care of your pool or is the poolshop taking care of you

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    Re: How long do you run your pump?

    Thank you everyone for the replies. I will start scaling back the run time and see what works best for us. Since my electric provider does not have peak hours I will try to keep the run time during the sunniest part of the day for the pool. Thanks again guys.
    My AG Frankenpool 16' / 6,041g
    Hayward C900 Star-Clear Plus Cartridge Filter
    Hayward 2-Speed Power-Flo Matrix 1.5HP Pump
    Pentair 320 In-Line Chlorinator

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