Uploaded on Feb 17, 2010
Capture the rain! (Now legal in
Washington state). A quick look at roof water harvesting using a slow
sand filter combined with a diverter.
This is an overview of the
procedure and a demonstration of a working system. An instructional
video on how to build a system can be found here:
http://www.youtube.com/watch?v=S-_RDB...
See http://www.slowsandfilter.org and http://www.shared-source-initiative.c... for lots more information on these filters.
Also http://www.roofwaterharvesting.org and http://www.enlight-inc.com/blog/ are two sites that have detailed instructions on how to build one of these filters.
Do your own water testing: https://www.micrologylabs.com/categor...
What kind of sand to use:
http://www.enlight-inc.com/blog/?m=20...
http://www.enlight-inc.com/blog/?m=20...