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Thread: does pump run time affect chlorine usage?

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    Join Date
    Oct 2010
    Houston, TX

    does pump run time affect chlorine usage?

    For example, if pump run time was too short, would any organics that happened be in the pool be left there rather than filtered causing free chlorine to decline quicker?
    15k gunite pool. Intelliflo VF. Autopilot SWG.
    2k separate spa with waterfall (ie: pain in the rear maintaining a separate body of water). 2HP Hayward Tristar pump.

  2. Back To Top    #2
    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL

    Re: does pump run time affect chlorine usage?

    You can get FC "dead spots" where the immediate area has poor or no circulation and the algae can get hold there easier.
    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
    Perfectly Clear Pool Service, Find me on Facebook!

  3. Back To Top    #3
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: does pump run time affect chlorine usage?

    Generally, assuming there is at least some minimum circulation, pump run time does not affect chlorine usage very much. The debris is either in the pool or in the filter, either way it uses up chlorine. Things start to break down though when there is hardly any circulation or when large piles of debris build up on the bottom of the pool. Then algae can get started and chlorine usage will skyrocket.
    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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