4 Ways to Purify Water for Drinking, Cooking, and Sanitation
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This video will demonstrate how to build an improvised charcoal filter from trash and use it to filter water from sources not safe to drink without it. It is best used for urban survival uses and has many uses in an outdoor setting as well. Watch this video and learn the science behind how charcoals traps toxins, heavy metals and chemicals, as well as bacteria and parasites. | Sigma 3 Survival School
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