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SURVIVE AND THRIVE PHILADELPHIA Message Board SURVIVE AND THRIVE -- Discussion Forum › How To Disinfect Water With Pool Shock

How To Disinfect Water With Pool Shock

Mark
SuburbBuilder
Philadelphia, PA
Post #: 67
Found this on a EPA site

How To Disinfect Water With Pool Shock

Using calcium hypochlorite granules is a 2 step process. First you make the stock chlorine and then you mix it in the drinking water. Think of it as first making a bottle of bleach and then using that in the water.

Add and dissolve one heaping teaspoon of high-test granular calcium hypochlorite (approximately ¼ ounce) for each two gallons of water, or 5 milliliters (approximately 7 grams) per 7.5 liters of water.

The mixture will produce a stock chlorine solution of approximately 500 milligrams per liter, since the calcium hypochlorite has available chlorine equal to 70 percent of its weight.

To disinfect water, add the chlorine solution in the ratio of one part of chlorine solution to each 100 parts of water to be treated. This is roughly equal to adding 1 pint (16 ounces) of stock chlorine to each 12.5 gallons of water or (approximately ½ liter to 50 liters of water) to be disinfected.

To remove any objectionable chlorine odor, aerate the disinfected water by pouring it back and forth from one clean container to another. -directions from water.epa.gov
CW
user 13669716
Philadelphia, PA
Post #: 2
I am told that the granules have stablizers in them and should not be used in water for drinking. The liquid calcium hypochlorite should be used instead. Deb
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