Questions relating to obtaining, carrying, or purifying water for use during outdoor excursions.

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10
votes
2answers
4k views

How do I desalinate seawater?

I know I shouldn't drink seawater (because of the salt it contains), but how can I desalinate it?
42
votes
5answers
21k views

Is drinking urine safe?

We've all heard stories about how people saved their lives by drinking their urine. Is drinking urine safe when there are no other water sources available? Can I filter it with a water purifier?
22
votes
9answers
9k views

How much water should be carried while hiking in the desert?

I live in the Arizona desert, and during the summer, despite my best intentions, I always seem to end up doing some hiking in the summer heat. What is a good formula to figure out how much water I ...