DIY Berkey Water Purifier

 

The NEW Green Trust DIY Berkey Water Purifier is available, with a new
video, new documentation, and in a less expensive kit form. Watch the
video and follow the instructable to see how easy it is to build a
water purifier that will guarantee clean drinking and cooking water
from a variety of contaminated sources.

http://www.green-trust.org/wordpress/2010/04/18/the-diy-berkey-water-purifier/