In this video Mark Diangelo demonstrates the survival still (a Lincoln Nebraska Invention and business)
See how it works to make pure water from many different sources including sea water. He says, “This is an amazing prep hands down. Every prepper should own one of these because it will definitely save lives.”
Make sure to visit http://survivalstill.com/
via THE SURVIVAL STILL: THE ULTIMATE WATER PREP TO HAVE ON YOUR SHELF – YouTube.