Cooped Up? Get Uncooped.

I was doing a wild foods foraging progam today and mentioned a water purification straw that I carry with me as part of my basic just-in-case survival gear.

Most of the participants had never heard of the straw, which so of led me to the following question.

What is your preferred water purification devices/sytems for uses such as backpacking?

• water
• water
• purification
• backpacking