Tuesday, July 12, 2011

We found the answer

We found the answer! The best filter is gravel or a coffee filter.     Thanks for the challenge





Gavin   Paige
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1 comment:

  1. VISTA DivisionJuly 13, 2011 at 9:47 AM

    Interesting. Could we make a filter large enough to filter the water in the Chesapeake Bay? How much would it cost? We have a low budget right now and we are trying to save money left and right!! What is better? Oysters or man made filters?

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