We know that
1) To boil the water,
2) Chlorinate the water helps us to purify the water.

Now we know the Sodis Method that consist of using clean clear plastic 2 litter bottles.     The bottles are
filled with tap water and then put in direct sunlight for 6 hours or more.      After this process, the water is
purified and ready to drink or to be used to cook with, etc.
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Pure Water Program
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