MUGS,

Go ahead and play with your Aqua Mira liquid if it pleases you. But Katadyn tabs have been tested by the military (your tax dollars at work, usefully, for once) and found to be the most effective chlorine dioxide treatment. I'll pay the extra $$ for the conveniance and peace of mind.

I use the Katadyn tabs as a backup for my SteriPen Adventurer. Both are FAR lighter and more effective than my HIKER filter. Technology marches on...

Eric
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"There are no comfortable backpacks. Some are just less uncomfortable than others."