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By jeh3298473 Ranked #521 - Trail Running Hydration December 23, 2009

The blue bite valve has a clear covering over it. The space in between them is a breeding ground for mold/mildew.And before anyone starts commenting, I've only ever used water with my platypus bottles/tubes, and I usually keep them stored in the fridge when they aren't in use.Great idea, poor execution.

Also, the valve itself requires a bit of "finesse" to it- you can't just chomp down, you have to delicately pinch at just the right amount of pressure.

View Details: Platypus Drinking Tube Kit

Helpful Votes: 0 Yes