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Bio Sand Water Filter Construction DIY step-by-step

Screen Shot 2015-02-05 at 10.11.22 PM

Uploaded on Nov 9, 2008

Prototype unit I built to help me get a better feel for what kind of filtration rate (GPM/sq.ft.) I might expect to see on a larger system (think, rainwater collection.) This one only sees about .5 GM

 xsolar_8.8.A

 

 

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