How to Disinfect Water Using Calcium Hypochlorite

Using granular calcium hypochlorite to disinfect water is a two step process.
1. To make a stock of chlorine solution, dissolve 1 heaping teaspoon (about 8g) of high-test (78%) granular calcium hypochlorite for each two gallons (eight litres) of water. (do not drink this!)
2. To disinfect water add one part of the chlorine solution to 100 parts water to be treated.
3. Let the mixture sit for at least one-half hour before drinking.
Be sure to obtain the dry granular calcium hypochlorite since once it is made into a liquid solution it will begin to degrade and eventually become useless as a disinfecting agent. This also means you should make your treated drinking water in small batches, for example enough for a few weeks at a time at most.
Another plus for using calcium hypochlorite to disinfect water for emergency use is that a little goes a very long way. A 500g bag of calcium hypochlorite in granular form typically will treat up to 10,000 gallons of drinking water, which is enough for a family of four for some six or seven years at a gallon per day per person!
Calcium hypochlorite will store for a long period of time and remain effective as a chemical drinking water treatment. So get rid of the household bleach and buy a can of Calcium hypochlorite for your disaster emergency water disinfection needs. It lasts far longer and treats far more water than the traditional chlorine bleach water disinfection treatment.

Warnings

  • Be sure to carefully read and follow all handling directions and heed all warnings.
  • It is always a good idea to be using calcium hypochlorite in an extremely well ventilated area.
  • If calcium hypochlorite becomes contaminated by foreign substances it can cause combustion.
  • Do not breathe the dust or get it in your eyes.

Where to Buy Calcium Hypochlorite online in the UK

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2 thoughts on “How to Disinfect Water Using Calcium Hypochlorite

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