Solar Disinfection of water, also known as SODIS, is a method that uses sunlight to purify water in glass or plastic PET bottles. The method purifies water in anywhere from six hours to two days, depending on the degree of cloudiness in the sky and the turbidity of the water. It is highly regarded for its ease and low-cost, and for these reasons has been implemented in … [Read more...] about SODIS: Is it Safe?
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