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[pct-l] h2o filters???

Was talking to a friend who did 2 months trekking in Nepal.  The people who
started using Pepto-bismal 2 tablets/day 2 weeks before the trek and each
day during the trek never had any reaction to the water, while those who did
not use Pepto-bismal had lots of reactions, some very severe.  Something
about the bismuth killing micro-organisms and coating the stomach wall.
Faye  "Crest Rider"