Improvised Water Filter

This is a great improvised filter using a pop bottle, bandanna, sand, charcoal and gravel.

Part 1

Link: http://www.youtube.com/watch?v=q99AN79ZNjs

Part 2 (with something about insect repellent)

Link: http://www.youtube.com/watch?v=fmr9nWy0i0g


Another great video on water purification techniques...


Link: http://www.youtube.com/watch?v=ELBKBY-XY6w