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Thread: Help determining correct pump

  1. Back To Top    #1

    Join Date
    Jul 2015

    Help determining correct pump

    Hello everyone,

    After hours of reading about pumps and plumbing on this site, I have gained much knowledge but I am still a little confused.

    I have a 33 foot AG pool, 52" walls, holds 28,000 gallons of water. I have a 24" 300#, 63 USGPM filter with a Hayward Power

    FLO LX pump. The pump is rated at 40 GPM, which if I have done my math correctly would take almost 12 hours to turn my water over.

    I'm thinking I need to purchase a different pump, one rated at least 60 GPM, to turn the water over in 8 hours. However, if I'm understanding

    correctly, the 1.5" plumbing I have would still restrict my flow to around 40 GPM? Can anyone let me know if I'm thinking correctly with all this?

    Thanks for any replies, really like the site!
    33Ft. Round Sharkline AG Pool, Aquatools AT3125 300# Filter, Hayward Power Flo LX SP1580Z2 40 GPM Pump

  2. Back To Top    #2
    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: Help determining correct pump

    I'm assuming your pump is at least a 1HP pump, which is plenty for your application. The amount of time it actually takes to "turn your water over" means very little-----don't over think it. You will achieve better filtering results at a lower rated flow pump as long as it is reasonable, and yours certainly is. Welcome!
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

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