The Feb/Mar 2018 issue has an article, Backcountry Water Purification by E. Donnall Thomas, Jr. We’d like to know what type of water purification you prefer. We realize you might use several types, but please vote for the one you use most often.

Results of this poll will be published in the Apr/May 2018 issue. Thanks for participating.

[yop_poll id=”5″]