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发帖数: 812 | 1 http://www.gorp.com/gorp/activity/hiking/skills/watertrt.htm
Here's the scoop on water: It's no longer safe to drink water straight out of
a river, a stream—or even a pond. That's because in recent years, backcountry
parasites such as Giardia Lamblia and Cryptosporidium have set up shop in our
wild places, traveling from mammalian intestines to pristine-looking streams
through feces. Other contaminants include pesticides and herbicides.
The simple fact is this: If you don't treat backcountry wat |
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