This system could be build anywhere on the planet for next to nothing. What is it? It is called a bio sand filter. Here is an introduction to the bio sand filter. This system could be built quickly and proved clean water for a long time. Here is someone who has set up a collection system in their back yard using a rain barrel.
Why are we treating water with chemicals? We can all collect our own water and treat it on site. Ensuring clean and consistent water should be everyone s goal, or at least a small back up system for drinking and cooking water. Here is a small system and a demonstration on how to clean the sand filter system.
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