This little gadget is amazing for creating a source of clean drinking water. Doesn't matter whats in the water, besides radiation of course. If you use this on it, you can drink it......that simple. I picked one up just in case. After I played with it bit, I put it back in the box, where it will probably sit forever, unless there was some kind of emergency which required turning nasty water into clean drinking water.
All you do is put a few grains of salt, (table or rock) and a thimble worth of water in the top, press the power button, and it makes a "brine" that you pour into your source of water. After 15 min, its good to drink, no questions asked. After using this, you might want to use a pump filter of some kind to remove any sand or silt in the water, but its not imperative that you do that. It will just have sterilized dirt in it if you dont.
Im a gadget freak. I thought it was cool, so I bought one. Who knows, it might actually come in handy some day.
[youtube]http://www.youtube.com/watch?v=vtHuV0mPXYQ[/youtube]