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Thread: Concerned about the psi going up

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    Concerned about the psi going up

    this is our first time owning a pool and we are concerned about the psi going up
    our pool is 16x32 and the depth is 52 feet,
    it is an above ground pool with vinyl lining and a sand filter
    the horsepower of the pump is 2hp and the psi reads 15 (the day before it read 12 psi)
    this might seem like a silly question, but is the psi average, or should we backwash it again?

    please and thank you!
    12,000 gal IG Pebble Sand Filter 2hp pump flow rate unknown

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Concerned about the psi going up

    You should wait till it rises more than a couple of psi. I recommend you wait to backwash until it raises about 6 to 7 psi above normal (12). Or gets to about 18 or 19 psi.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Butterfly's Avatar
    Join Date
    May 2007
    South Carolina

    Re: Concerned about the psi going up

    Welcome to the forum!

    After you backwash and rinse, what is your psi reading?

    How old is the pressure gauge?

    How does your water look?

    Do you have test results available?

    IMHO, a 3 point rise in psi in one day is not normal and indicates that you are clearing your pool of something.....
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

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