Tag Archives: purify water

Using Calcium Hypochlorite to Disinfect Water

Personally, I avoid the use of all chlorines whenever possible.  There are filters on my water system at home to eliminate it. I believe there are better ways of filtering or purifying water in an emergency.

But for the benefit of people who choose to use it.  The following is the EPA guidelines on using calcium hypochlorite  to disinfect water.

You can use granular calcium hypochlorite to disinfect 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.  …

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