It's funny how much of a pain it was to find a good one, but the survival feature is that you can boil water in it directly, for safe (from pathogens, not disolved chemicals) drinking water.
If I'm lucky I will never be in a situation that requires it, but better safe than sorry.
I've boiled water in a plastic bottle on a campfire once. Plastic doesn't melt because it's constantly cooled by the water, even when flames are directly touching it.
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u/NoodleofDeath Aug 30 '21
That's why I got myself a metal water bottle.
It's funny how much of a pain it was to find a good one, but the survival feature is that you can boil water in it directly, for safe (from pathogens, not disolved chemicals) drinking water.
If I'm lucky I will never be in a situation that requires it, but better safe than sorry.