•A low-cost method of purifying water that can often be implemented with locally available materials.
•Low impact on the environment substitutes the use of firewood.
•Also known as SODIS uses only sunlight and plastic PET bottles.
•This is recommended by the World Health Organization.
•Free and effective method for decentralized water treatment, usually applied at the household level. This will be ideal for families in underdeveloped countries.
•Educational pamphlets on the method are available in many languages, each equivalent to the English language version.
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