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Thread: How long to run a pool pump

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    How long to run a pool pump

    I'm fairly new to the forum. Been using the tfp method for about 2 month and I read for a month before applying my new found knowledge. My question is how long should I run my pool pump? I'm sure you all will need a ton of info so I'm going to try to cover it all. I believe it's and 18k gallon pool. The dimensions are 16x36 and it's roughly 3.5 ft deep on both ends and tapers to 5.5 feet in the middle. I think I read I'm some paperwork from the previous owner that the pool is 18k gallons. It's a salt water system with solar and an electric cover. I just installed a new ta100d sand filter and the pump is a 1.5hp whisper flow pump. Old pool guy said its a really good pump. The sand filter held 600lbs of media. Anyway my chemistry has been so good and the chlorine level has stayed pretty high so I've been backing my run time down. Am I wrong to think as long as the robot is cleaning the bottom and the chemistry stays good with the chlorine generator I can run it a little less? I've been running the pump 4 hours a day for a couple weeks and everything looks really good. Last season I ran the pump 8-9 hours a day and could never keep good chemistry! Thanks leslies (not really) I've been monitoring all my levels and all is well. I still skim the top manually daily along with brushing the steps and sides. I also check ph and chlorine daily and the other stuff once a week. So far I've only added a little acid to get my ph just right. Initially I slam shocked the pool the got my cya levels good. Anyway this is a little long winded but basically can I get away with four hours a day? Seems like it would depend on the pump and sand filter and from I remember from the old owner he said he ran it very little also. Wondering if I got a hopped up pump and oversized filter. Any help would be appreciated.



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    Mod Squad jblizzle's Avatar
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    Re: How long to run a pool pump

    Check the How To section of Pool School. There is an article discussing pump run time.

    Basically, run as long as you need, but 4-6 hours is usually plenty.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: How long to run a pool pump

    Four hours a day is what we recommend these days. There is an article in Pool School explaining in more detail, but it sounds like you have it all figured out already.

    A 1.5 HP WhisperFlo is too large for that pool, while your filter is exactly what I would recommend. The WhisperFlo is a great pump. It just draws more electricity than a smaller pump that would work just as well. This is one of those cases where bigger is not better.
    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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    pwrstrk's Avatar
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    Re: How long to run a pool pump

    I run my pump 4-6 hours day and water is perfect ! 😎
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: How long to run a pool pump

    Thanks everyone who responded. I was trying to find that perfect balance where I was running as little as possible (power savings) and still keeping my chemistry just right. Also is 70 percent a good setting on my chlorine generator?



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    Mod Squad jblizzle's Avatar
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    Re: How long to run a pool pump

    The percent setting does not matter, you need to maintain adequate FC depending on your CYA.

    Figure out the pump run time you need to keep the pool clean, then set the SWG to whatever is required to maintain the FC.

    What is your CYA?
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: How long to run a pool pump

    I run mine 24/7. Apparently that is overkill.
    2003 Coleman MAAX Collection Model 706 - 400gal

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    pwrstrk's Avatar
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    Re: How long to run a pool pump

    Quote Originally Posted by jjdurrant View Post
    I run mine 24/7. Apparently that is overkill.
    That is way overkill. You can cut way back on that. Take a look at the article in pool school, how to determine pump runtime. 😎
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: How long to run a pool pump

    Quote Originally Posted by jjdurrant View Post
    I run mine 24/7. Apparently that is overkill.
    I would love to be your electric supplier. A few hundred customers running 24/7 and I'd be able to retire.
    12000 Gallon IG Plaster built 2/15/2014. Jandy 340 sg ft 127 gpm filter, Jandy 1 HP stealth pump. Circupool RJ-45 SWG (overkill). TF-100 with Speed Stir.

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    Re: How long to run a pool pump

    My cya is about 50-70 hard to tell exactly when the dot disappears. Ever since I got my taylor kit in things have been running smooth. Maybe I should leave well enough alone but I want to run as little as possible. Mostly because my electric service company kills you she. You use over a certain amount of power. Then they go up another level after they've already increased it when you hit another level. Last year my electric bills were pretty high with two refrigerated air units and the pool running way more than it should. I know my pump only pulls 8.8 amps but I'm trying to at least stay out of tier 3 of the electric companies outrageous rates. It's about double normal rates. Pisses me off because we don't waste electricity. Our house has both eastern and western exposures so lights are usually off. The only killer is the ac'a and pool in the summer. Sorry for the rant but I'm fired up lol.



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    Re: How long to run a pool pump

    I am going to scale back to 8 hours and see how that goes.
    2003 Coleman MAAX Collection Model 706 - 400gal

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    Re: How long to run a pool pump

    Quote Originally Posted by jjdurrant View Post
    I am going to scale back to 8 hours and see how that goes.
    I've been running mine on low 24/7 for a week now...mainly because I felt that was what was needed to keep the pool water clean. I've decided that starting this weekend I will run it during the day on low and shut 'er off through the evening/overnight hours. Will see how it goes. I've read that the true answer to how long is needed is exactly as long as it takes to keep it clean based off of your particular situation.
    24' Round Above Ground - 13,500 gal, Cartridge Filter, Installed on 5-7-14, First Time Pool Owner! TFP True Believer!

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    Re: How long to run a pool pump

    Down here in the South West I've heard to run the pump 1 hour for each ten degree increase in temperature. So, at 80 degrees, we'd be running the pumps 8 hours. Not sure if that is the case. Somebody tell me this is different than what it should be. Soon it'll be 115 so I'm going to have to run it 11 1/2 hours?
    IG Pebbletec Blue Tahoe; Paddock Pool PCC 2000 pop-up; 22,275 gal 32' x 16' Diving with Auto-Fill
    Pentair 420 Cartridge filter; 3 hp VS Whisperflo Main Drain, 1 1/2 hp Whisperflo Running Pop-Ups; Jandy AquaPure 1400
    1 1/2 Whisperflo dedicated to Rock Waterfall; TF-100; Taylor K-1766; Pool Built in 1997

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    Re: How long to run a pool pump

    I do pools in Scottsdale, AZ The larger non-commercial pools I run about 8 hours max. As you know, here, Off-Peak electric is at night and early morning, so most people run their pumps at night or before noon. Ideally, multiple run times with at least 2 hours (even though on-peak) in the mid to late afternoon just to give the water some movement and distribute the chlorine that has dissolved in the floater is good. One pool I run 24 hours because it has yard debris and natural rocks touching the water making a nice breeding ground for algae.
    2013 20x40 Vinyl Ingound Pool. 30K Gallons. Hayward Aqua Rite Chlorine Generator. Hayward C-3030 Cartridge Filter. 1.5 HP Pentair Pump. Pentair Magic Stream II Deck Jets. Pool Automation=Allen-Bradley PLC 5/04. TF-100 Test Kit.

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    Re: How long to run a pool pump

    Quote Originally Posted by jjdurrant
    I run mine 24/7. .
    as do we, IntelliFlo VF consumes just a little over 100 watts of power and system is totally silent. daily cost is pennies and pool is always clean.

    setup a dedicated battery operated UPS system that allows system to run even if a total power blackout occurs. system runs off backup batteries for up to 8 hours.

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    Re: How long to run a pool pump

    I run intelliflow vf 24/7 as well. I shoot for about one water turnover a day. At 15 gpm the cost difference is minimal compared to running higher gpm for a shorter time. My pool maintains a better constant temp because the heater only works when the pump is running, 15 GPM is enough flow to keep the heater flow switch on. In my area difference between peak and off peak is minimal.
    " A little knowledge is a dangerous thing"
    19,000 gallon sylvan pool, Easytouch 2 4p automation, Screenlogic interface, Intelliflo VF 3050 pump, Intellichem with Intellichlor 40 chlorinator/Muriatic acid, Raypac millivolt natural gas heater.Polaris pool cleaner with booster pump.Coverstar automatic cover hydraulic mechanism with PCS cover. Wet edge Luna quartz finish 2016. Northeast climate.

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    Mod Squad jblizzle's Avatar
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    Re: How long to run a pool pump

    You all need to go read the article in Pool School about pump run time. Sure it may only use 100 watts, but you can save 100% of that by not running the pump.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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  18. Back To Top    #18

    Re: How long to run a pool pump

    So here is the breakdown for me.. Xcel Energy in MN charges approx $.08 KWH. My pool is about 15,500g and my pump is 1.5hp. When I plug this info into the Pentair pump calculater (link below) I come up with:

    8hr run time = $1.22 a day
    24 hour run time = $3.65 a day

    So yeah.. three times as much which is expected.. but since we are only talking about a few dollars a day and the fact we only have a pool open a third of the year if we are lucky, it seems worth it too me.

    http://www.pentairpool.com/staging/n...calc/index.htm
    2003 Coleman MAAX Collection Model 706 - 400gal

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    Re: How long to run a pool pump

    I wouldn't mind an extra $60 a month in my pocket.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
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    Re: How long to run a pool pump

    Quote Originally Posted by RobbieH View Post
    I wouldn't mind an extra $60 a month in my pocket.
    Heh.. I hear ya.. but then I have to install a timer or manually turn it off and on.. etc.

    #firstworldproblems

    2003 Coleman MAAX Collection Model 706 - 400gal

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