While many people stock expensive filtration equipment to filter their drinking water of impurities, it might come as a surprise to find that a lot of this can actually be done via the sun and its natural evaporation process.
The sun is our planet’s natural filtration system. Solar rays distill impurities from water by evaporating it away from natural debris and then re-condensing the vapor into distilled water. Rain water, which is naturally distilled by the sun, is considered to be an extremely pure source of water. Alas, given our heavily polluted lifestyles, this is not necessarily the case any more. Polluted environments have increasingly large quantities of suspended dust particles and toxic debris. It is impossible for the sun to naturally filter out all impurities.
However, if you live in a relatively clean clean environment, then solar filtration might just be the answer to your needs. You can harvest rainwater not just for use in the garden, but possibly for use in the kitchen too.
The following video explains how you can build your own simple solar water distiller. Although, it might not be practical for everyone to do this, especially on a large scale, this simple experiment will help you understand in better detail, how nature filters water via evaporation.
httpv://www.youtube.com/watch?v=4sqRvUzqDCE
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