Everybody should dig a solar still. It should be a first day requirement of every survival school. It is the greatest devise ever created for students. <img src="images/graemlins/blush.gif" alt="" /> O.K. ,now that I have people raising eyebrows and spitting out their morning coffe, let me explain <img src="images/graemlins/grin.gif" alt="" /> This stuff is in the literature. People see it in A BOOK and assume it must work. After all, Mr. Survival in his cammies/Buckskins with the impressive back dust jacket bio and credentials says so. QUESTION AUTHORITY(S) <img src="images/graemlins/tongue.gif" alt="" />