Per request, I have put together some links of articles on Water purification. Hope you find them helpful.
How does natural purification of water on earth work?
How to purify water
Learn five ways to purify water
HERE and HERE
How to make a water filter
Watch these kids make a water filter from earth
Using Plant-Based Biofilters to Purify Household Wastewater
Learn to make a organic water system HERE
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