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Thread: I've become lost: bleach or CaHypo shock

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    waterbear's Avatar
    waterbear is offline Lifetime Member Sniggle Mechanic waterbear 4 stars waterbear 4 stars waterbear 4 stars waterbear 4 stars
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    Default Re: I've become lost: bleach or CaHypo shock

    Quote Originally Posted by waterpro
    I think it would take 2 1/4 gals of 5% regular bleach to equal one pound of 65%cal.hypo....That walmart 54.6% bag sounds fishy to me.....
    Just double checked my math with BleachCalc and it said it would take 3 cups, which is 24 oz. of 5.25% beach to raise 1000 gal. 10 ppm, 2 cups and 5 oz (21 oz) of 6%, and 1 cup and 2 oz (10 oz) of 12.5%.

    Don't know why I didn't do that in the first place instead of figuring it out on a calculator. It took me a good 10 minutes the first time to do the calculations! Once again Michael's BleachCalc proves it is worth it's weight in gold!

    HTH (and some other companies) are selling Cal Hypo with fillers in them that reduce the amount of chlorine so, I assume, they can sell them cheaper at discount outlets.
    Last edited by waterbear; 05-15-2006 at 11:28 AM.
    Retired pool store and commercial pool maintenance guy.

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    Default Re: I've become lost: bleach or CaHypo shock

    "Just double checked my math with BleachCalc and it said it would take 3 cups, which is 24 oz. of 5.25% beach to raise 1000 gal. 10 ppm, 2 cups and 5 oz (21 oz) of 6%, and 1 cup and 2 oz (10 oz) of 12.5%. "

    So according to that it would take 1 1/2 gals of 5.25% bleach to equal 1 pound of 65% cal hypo? Thats good information to have if your switching back and forth from bleach to cal hypo (like I do)..........

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