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Thread: How much clorine 12.5% bleach 'typically' needed to maintain my 25,000 gallon pool?

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    Join Date
    Apr 2014
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    Franklin, WI
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    How much clorine 12.5% bleach 'typically' needed to maintain my 25,000 gallon pool?

    NEWBIE ALERT! I've had my money pond since 2000 and want to stock up at Menards when it goes on sale. I know all sorts of things can affect the pool water; i.e., weather, sun, bather load (which is unfortunately not much these days). I live in the Franklin (Milwaukee, WI) area and plan on having pool open from May 16th through September 30 (about 18 weeks). Just would like a guestimate so I can stock up and save some $. THANK YOU SO!

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    Mod Squad JohnT's Avatar
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    Apr 2007
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    SW Indiana
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    Re: How much clorine 12.5% bleach 'typically' needed to maintain my 25,000 gallon poo

    Welcome to TFP!

    You can guesstimate by figuring out how much it will take to add 3ppm per day to your pool. You'll need your pool volume to do the calculation though.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
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    pragmatic's Avatar
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    Jul 2011
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    Friendswood, TX
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    521

    Re: How much clorine 12.5% bleach 'typically' needed to maintain my 25,000 gallon poo

    I'm certainly a bit warmer in Texas. At 23K gallons using 8%, my usage is about 3-4 gallons/week in summer, 2-3 in winter (no closing for us). That maintains pool at about 6-10 PPM FC.
    Dave My Pool Build, ODK Build
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