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Thread: how much chlorine?

  1. Back To Top    #1

    Join Date
    Aug 2007

    how much chlorine?

    Forgive my stupidity but if I wanted to raise the FC level in my pool(which uses a copper based algacide) from the usual .5 to 1ppm maybe even 1.5ppm how much chlorine should I add. Its about a 14000 gal. pool and I bought some liquid chlorine in a big jug from the pool store. I've never used chlorine before other than the weekly dichlor shock packets.
    24' AGP vinyl, 3/4hp Pentair 2-speed, Pentair Quad DE 60
    Pool Rover Jr.

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD
    You need to find the percentage of the liquid chlorine. It should be clearly marked on the package. 6%, 10% and 12.5% are common strengths.

    To raise FC by 1 in 14,000 gallons takes 21 oz of 6%, 12 oz of 10%, or 10 oz of 12.5%.

    You can use my Pool Calculator, see the link in my signature, to make calculations like this.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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