jackass wrote:
I don't trust Bill gates.
The packets are good, no energy, but use chlorine.
Katadyn and others do not use chemicals but silver impregnated ceramic filters and preferable, if you can pump.
Depends on your circumstances.
Like I said in a situation where your only water is mostly a mud puddle this stuff would be awesome. I would use it to get rid of the solids and then run it through my regular water filter.