Originally Posted by
colorado_rob
Yours is a valid concern greenlite, but how can liquid water be below freezing? The water might be just barely above, but not below.I believe that if you keep your sawyer warn before, plus shake it out when done and store next to body, religiously, you'd be fine. There is no mechanism to freeze, as long as you're quick about it.
All this being said, i use aqua mira even in deep winter. And i don't see any reason to treat melted snow with anything, though the taste is usually weird.
I got giardia once, diagnosed, travelling to belieze. Not fun, but not the end of the world either. Thankfully it take a while for symptoms to show up so didn't ruin our dive trip.
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