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Old 01-26-2021, 09:35 PM   #12
Makwa's Avatar
Join Date: Aug 2012
Posts: 81
I use liter Nalgenes in wool socks with hand warmers between the bottles and socks. Placed inside my pack. Never had any frozen water. Also use electrolyte mix or Gatorade since I heard about it freezing less but I have never seen any scientific data to back up that claim.

Bonus to using socks... they serve as an emergency pair of socks. Coozies are just extra weight that you're carrying around that serve zero purpose once you are out of water.
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