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Thread: Flow drops in a few hours - start/stop pump and the flow is normal

  1. Back To Top    #1

    Join Date
    May 2014
    Location
    Tennessee
    Posts
    1

    Flow drops in a few hours - start/stop pump and the flow is normal

    I have a 30k gallon vinyl liner with a per flex de filter with a salt system. When starting the pump flow is normal, but after a few hours the flow decreases to where the salt generator will not run. Stopping and starting the pump fixes the flow problem for the next few hours.

    Other observations

    No bubbles in the pump basket
    No difference when the pool is dirty versus when it is clean.


    Any ideas?

    Thanks

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Flow drops in a few hours - start/stop pump and the flow is normal

    Welcome to TFP!

    Take a look in the pump strainer basket and see if it is mostly full of air when you are having the problem.
    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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