by wilderness | Jan 13, 2016 | backcountry, boiling, chemical, chlorine, filter, gravity, iodine, purification, straw, treatment, UV, water
While recent research has concluded that backcountry water sources (especially those at higher elevations) are cleaner than once thought, it is impossible to tell which water sources may be contaminated. Rather than risk serious intestinal discomfort there are many...
