Originally Posted By: unimogbert
How do you sterilize the mouth of the bottle?

I'm picturing dipping your Nalgene bottle into the stream then using the pen to disinfect the contents of the bottle. What about the threads and the outside?

agree with KenK above.

i use my drinking cup to obtain the water - easier to handle in creeks, puddles, etc. than the nalgene - and then carefully pour into the nalgene.

i like the steripen - just make sure you wipe the prong contacts from time to time.
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