Category: Filtration

Do it Yourself Sand Filter

While we’d love to provide the most advanced totally pure water supply for Africa, maybe one approach is to make a significant difference first with a simpler, mechanical method using locally available materials. The earliest means of purifying water that I’ve read about were sand filters, dating back to 1804 in England.* Is it possible to teach people in Africa to build their own sand filters, using discarded soda ...more »

Submitted by (@megagirl)

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