5
votes
4answers
1k views

What's the problem with electrolyte imbalance and how do I mitigate it?

In the past week I've seen two answers mentioning electrolytes; one about the grand canyon and one in an answer on a question that was actually about wildlife, but where other desert dangers were ...
31
votes
3answers
16k 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?