Wow, thanks for all the great posts! Actually, my trip will be at the end of April. Sorry. Actually, just about a month and a half from now. I've been saying it's months away for so long, and now it's just around the corner...My friends and I will be doing the Tonto Trail - New Hance Trail to Grandv...

I'm hoping for some insight as to how people typically go about filtering their water from the Colorado River in the Canyon. In a couple months I'll be doing my first backcountry trip in the Canyon, and the first night's water source will be from the river. Would a filter such as the Katadyn Hiker P...