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Thread: Pump run time vs. SWG % setting

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    simste01's Avatar
    Join Date
    May 2014
    Huntington, IN

    Pump run time vs. SWG % setting

    So I've found a balance point running the SWG at 40% and the pump 12 hours a day (a seven hour period and a five hour period). FC is 7 to 7.5 every day, pH gently rises from 7.2 to 7.8 over 8-10 days. Pool is crystal clear (thank you!).

    My question - I want to save electricity running the pump. but I also want to maximize the life of the SWG - so am I better off with longer pump run time, or higher SWG setting? 12 hours at 40%, or 8 hours at 60%, or 6 hours at 80% - all produce 4.8 hours of SWG run time.
    14'x28', 11.7K gal, IG, vinyl. Automatic pool cover, 1hp Hayward single speed pump, Hayward sand filter, Hayward heat pump, Hayward Navigator, TF-100 test kit w/ SpeedStir, Intellichlor IC15 SWG

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    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Pump run time vs. SWG % setting

    It is exactly the same run time for the SWG as you pointed out and that is all that matters for SWG lifetime.

    So shorten your run time without any hesitation. You wont be sorry.
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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    gatorbrit's Avatar
    Join Date
    Aug 2013

    Re: Pump run time vs. SWG % setting

    I was about to post the same question - but this answers it! I am going to cut back my run time and up the SWG %. Save some $$.
    18k vinyl IGP, Sand Filter, EasyTouch Control Sys, Pentair Intelliflo, Intellichlor IC 40 SWG, Rheem Heat Pump.

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    Join Date
    Jul 2013
    Lelystad, The Netherlands

    Re: Pump run time vs. SWG % setting

    I totally do not understand why all the manufacturers went with the % generation time settings, it is inconvenient to maintain and you allways have to think abou the SWG when running extra pump hours.
    My SWG is setup at 100% and is cut from the power in normal situation. My control computer turns the power of the SWG on at programmed hours during pump time. With this setup you can control the SWG exactly on the hours you want independent from total pump time.

    If possible, I would go for the such a setup if I was you
    40000 liter in ground vinyl pool with SWG :

  5. Back To Top    #5

    Join Date
    Jun 2014
    Roseville, CA

    Re: Pump run time vs. SWG % setting

    Mine runs when ever the pump runs, which is also when the solar water system is pushing warm water. Which is most of the time.

    I run my SWG at 25%.
    SWG: CircuPool (5/2018) Universal 40; 3000ppm seems ideal;
    My Ideal Specs:
    FC 5; PH 7.4-7.6; TA 90; CH 350; CYA 75; = SI ~ 0.19
    14,000 gal, in ground, plaster, Cartridge filter, Borates
    TAYLOR K - 2006 Last Circupool SI30+ 4 years RIP.

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