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

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10
votes
1answer
278 views

How to tell if water is likely to have cryptosporidium?

I often use CLO2 (for example this product) to treat drinking water when I’m backpacking and boiling is not convenient. The instructions for the product say that the dose should be tripled if the ...
9
votes
2answers
384 views

How much fuel to carry for melting snow?

I'm using a multi fuel stove (MSR Dragonfly) for a 10 day ski tour, how much fuel should I allow to provide sufficient water for cooking and drinking. Meals will be mostly dehydrated just-add-water ...
14
votes
2answers
465 views

Where are good places to look for water sources when I have run out on a multi-day hike?

Luckily this has never happened to me, but even the most prepared hiker can often get themselves into difficulties if they run out of water. My question here is in your experience in remote arid ...