One of the main things that gets talked about Prepper-wise is the availability of drinkable water. We've all heard the old adages over and over about being able to live weeks without food, but only days without water and minutes without air. Turns out there is a DIRT CHEAP (as in FREE!!!!) way to disinfect enough water for daily use and all it takes is BEING PREPARED and having some nice weather. SODIS. Stands for Solar Disinfecting. I guess the little cooties that live in the water really don't like to get a tan! In fact, the UV in sunlight...