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Published on Nov 12, 2009
Provident-Living-Today.com/Iodine-Crystals: Five Methods of Water Purification. Iodine will kill 100% of the bacteria and viruses that are in the water. Learn how to use the Polar Pure Iodine Crystals. One little bottle will purify up to 2,000 quarts of water. To make Iodine, you just keep adding water the until the crystals are gone. The crystals have an indefinite shelf life and aren't affected by extreme temperatures.