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Thread: How long to keep pump on?

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    How long to keep pump on?

    Just wanted to confirm how long would be best to run the pool pump starite 1.5 horsepower and still short enought to save power. The pool has about 20,000 Gallons and I am using a pool pilot with saltwater chlorinator. I live in the tropics. Thank You! At the moment I have it set from 8 Am - 4 Pm.
    19,000 gallon in-ground, salt water, gunite pool. Aqua Rite chlorine generator, AL-0. Pool installed 2004. We've only owned the house/pool since 11/2009 and never owned a pool before this.

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    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    SW Indiana

    Re: How long to keep pump on?

    It's just whatever works for you. You are presently at 8 hours, and that's a good baseline. You need to allow for enough run time for chlorine generation, cleaner operation and skimmer operation. If the pool is clean and you are making enough chlorine, you are probably okay. Maybe you can shorten the time and see how it goes, maybe you need to run longer.

    You should always operate the pump when there are swimmers in the water for better sanitation.

    If saving electricity is a goal, you could probably downsize the pump to 1HP without affecting the pool, or switch to a 2-speed or variable flow pump.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Join Date
    May 2007
    South Central NJ

    Re: How long to keep pump on?

    Residential use, I would move it to 9 - 5

    Commercial Use, depends on your local board of health requirements and bather load. They may require more turns.

    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

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