Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Nov 18, 2008
To make a charcoal water purification system for wilderness survival, layer fresh grass, sand, charcoal, dirt and dried grass. Make a charcoal water purification with tips from an experienced outdoorsman in this free video about wilderness survival skills.
Expert: kevin Barrett Bio: Kevin Barrett is an experienced outdoors man who has been honing his survival skills for many years. Filmmaker: Nili Nathan