Solar Bottle Uses Sun to Purify Water


These new bottles are designed to take advantage of the "SODIS" method of water disinfection—using the heat and ultraviolet radiation from the sun to purify water—by putting a layer of black, sun-absorbing material opposite the clear side of the bottle. The SODIS method can be used with generic clear water bottles and a painted black tin roof, but these "Solar Bottles" are designed to be entirely portable and feature a clever notched handle that can make it easier to get the water directly in the sun's rays.

Each Solar Bottle can hold a gallon of water and can be held back-to-back for easy transport.

SOLAR BOTTLE: Water-purifying drinking container [Inhabitat via Engadget]

Previously: Eight Reusable Water Bottles Compared [BBG]

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