Quote Originally Posted by HoneyBadger View Post
The cool thing about chlorine is that it kills everything: bacteria, viruses, and all living organisms. Even better, it breaks down in water in just a few hours (time depends on concentration). If you put chlorinated water into a storage container and seal it completely, you don't have to worry about bacteria getting in there and making the water unsafe to drink. Storage is then good for an indefinite amount of time, or until opened.
You need to use the correct amount of chlorine. To little it does nothing, too much it's toxic and ....well there's less people who will be needing water.

http://modernsurvivalblog.com/surviv...rinking-water/

Water – Bleach Ratio For Purifying Drinking Water

1 Quart water, 2 drops bleach
1 Gallon water, 8 drops bleach
5 Gallons water, 1/2 teaspoon bleach
10 Gallons water, 1 teaspoon bleach
50 Gallons water, 5 teaspoons bleach