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San Jon High School
San Jon, N.M.
Pocket-sized Arsenic Filter to Purify Drinking Water


  • According to an InvenTeam student presenter, "Arsenic causes an estimation of 25,000 deaths in Bangladesh."

  • The InvenTeam calls its filtering process the KOOL-AID® effect, because the media pills turn the water red when it extracts the arsenic. The red water then passes through a small filter, which screws into the bottle opening, making the water clear.

  • The filters can be used up to ten times, and the filter system costs only five cents.

  • This portable device can be carried in a person's pocket and fits on any two-liter water bottle.

  • A Baptist-youth group organizer successfully tested the filter system in Nepal.