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Tag Archives: Calcium Hypochlorite
For several years, I have seen many people recommending calcium hypochlorite for water purification. They are providing correct information in that calcium hypochlorite will treat water if used correctly. A pound of it will treat thousands of gallons of water and will cost you less than $10.
Before you rush out to buy some, I want to warn you about a few things that can get you into trouble or even killed.
Proper precautions must be taken while handling and storing calcium hypochlorite. Always follow the manufacturer’s instructions. Calcium hypochlorite is a highly reactive material and can have a violent reaction if it comes in contact with incompatible materials. …Read More...
I want to write a bit more about water purification. Here are some guidelines on the use of calcium to treat water. http://bit.ly/UgeSXC Again I want to remind you of the dangers of storing calcium hypochlorite. Read the hazards on the labels and pay attention to them. It is a strong oxidizer and I have seen it cause fires and explosive reactions.
Another chemical that I occasionally hear about for water treatment is hydrogen peroxide. It is a chemical compound with many uses. I have to admit to being a little confused by this chemical. I have found a lot of conflicting information on the subject of storing it and using it to treat water. …Read More...
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. …