Water Purification

Posted: January 13, 2012 in Survival
Tags: , ,

The three primary methods of water purification are boiling, chlorine and iodine.  Let’s take a brief look at each method.

Boiling:

First filter out any debris then heat the water until it boils.  Keep the water boiling for several minutes.  Boiling is quick, reliable and kills both bacteria and viruses and is considered the most effective of the three methods listed.

Chlorine (Household Bleach):

Use only plain, without fragrances or other additives.  The chlorine (sodium hypochlorite) content should be between 4% and 6%.  Once you open your container of bleach the chlorine content will diminish, so avoid opening it until you plan on using it.  Once the water is at room temperature add 2 drops of bleach for 1 quart, 4 drops for a half gallon or 8 drops for a gallon.  If the water still remains cloudy then double the amount.  Stir the bleach and water briskly and then let it sit for 30 minutes to an hour.  The water should retain the faint odor of bleach, if it does not then treat the water again.

Iodine:

Water treated with iodine may retain a chemical taste which can be reduced by adding a flavored drink mix to it.  Use 5 drops of iodine per quart of water if clear or 10 drops of iodine per quart if the water is cloudy.

If in doubt about your water supply, consider your sources of water as contaminated until treated.

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