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Thread: How long to run pump

  1. Back To Top    #1

    Join Date
    Jul 2007

    How long to run pump

    I was wondering how long I should run my pump in order to keep everything filtered. We've been running it 24 hours for the last 5 days (had some algae). Now that it's clear, thought I could probally run it a little less.
    30' Above Ground/vinyl liner
    1.5 HP Pump/300# sand filter

  2. Back To Top    #2
    Long enough to turn over your pool water at least once per day. 2 is better How short a run time you can get away with depends on the gpm flow rate of your equipment and the total gallons of water your pool holds. Some like to split their run times, like one turn over in the am and another in the pm.

    I have always run my pump 24/7, but am looking to go to a 2 speed so I can switch to low, still run 24/7 and save money on electricity.

  3. Back To Top    #3
    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL
    We have a 2 speed and run it on low 24/7. Only bumps up the elec bill about $15 in the summer to operate the pool.

    Our first season we tried a 12 hour run time and had issues. Mostly I'm just lazy and haven't bought a timer and I never remember to turn on/off the pump, so 24/7 is just "easier" hehehehe

    I'm sure it's overkill. Whaaaateever....
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner

  4. Back To Top    #4
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD
    Every pool is different. Get a sense of what the water looks like when running 24/7, then try 12 hours a day for a week and see how the water looks. If everything is still perfect try a shorter run time. If the water looks a little dull try a longer pump run time.
    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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