Creating A Water Filtration Task For Your Next Sci..

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Creating A Water Filtration Task For Your Next Science Fair | #berkey filter

Creating A Water Filtration Task For Your Next Science Fair

Creating A Water Filtration Task For Your Next Science Fair

A quart of water may perhaps be treatable in 90 seconds. If not, then you will have to attempt your own testing. But, let me tell you a little secret about bottled h2o.

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