I realalize you are trying to keep it light and small, but I would change out the 16 oz. nalgene for a 32 oz. now you don't have to measure when you have to use the pills to purify the water.
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Some people try to turn back their odometers.
Not me, I want people to know "why" I look this way
I've traveled a long way and some of the roads weren't paved