This in combination with my SteriPEN has been doing me wonders. Not to mention it can be used as a hot water bottle to chuck into your… | Instagram
I had a Nalgene water bottle question, and I can't really find the answer to it, and it is too late to chat to any stores online. Can you freeze water inside
Nalgene "Mr. Frosty" Freezing Containers
EPIC Nalgene FAIL - NEVER freeze water in your Nalgene bottle like I did!!!! - YouTube
How to keep water bottles from freezing in winter - SectionHiker.com