In this video, I give you a look at how to make your own distiller, that is small enough to fit in your bug out bag, for less than $5.
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Water purification is an interesting science. There is straining the bad guys out (filtration), killing the bad guys and leaving them in (purification via chemical or heat), and trying to take all the good stuff out and leave the bad (distialation).
Like you point out, it seems like the more methods you combine the better (although the only surefire way would be to know exactly which "bad guys" are in the water).
Thanks for watching and for the comment!