BTW, personally, I've given up on filters for most trips, and I've had good success using resublimated iodine crystals, much like "Polar Pure." Cheaper than the little pills, and easier to adjust the dose. I don't run into many of us iodine users anymore.
Jeff
Very interesting. I've been thinking of doing the same thing. The only reason I've stayed with the filters is to remove chemicals, but away from civilization, this may not be as important.
Why not start another thread and give us more info on your reasons, etc.? I'd sure be interested. [/quote]
The reason is simple:
I'm getting older and looking to shed weight (by any means other than dieting!). 3/4 lb is not insignificant in long-disatnce backpacking.
I'm usually alone so there's no one to share group gear with.
I was carrying the iodine anyway as a back-up since I've had or seen too many filters just break or quit.
I hike in places like the high Sierras or Canadian Rockies, where the water is pretty good.
Iodine is also viricidal, and yes, it will kill cysts like cryptosporidium or giardia lamblia, too (eventually).
Jeff
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