Using Nalgene Bottle As A Sleeping Bag Heater

What could possibly go wrong using a bottle of boiling water as a heater in your sleeping bag? Well, apparently they can explode or crack and leak....if you don't do this.... Of course, after following these directions you would still place the bottle in an airtight ziplock as added security. A more robust option is to use a good quality dry bag with the top correctly rolled and sealed. Amazon Affiliate Links Nalgene water bottle: https://amzn.to/3LXm4st Whisperlite International Stove: https://amzn.to/3WCw13u ______________________________ Critter videos, no gear reviews or ads:    / @kelvinaitken9020   Great wildlife images and videos on instagram here: Instagram:   / kelvin_aitken   Prints, stock library, gallery, photo products here: Website: https://kelvinaitken.com Stuff You Might Not Know - Articles/blog: https://kelvinaitken.com/articles.html No AI content on this channel. All original content. © 2024 Kelvin Aitken. All rights reserved. Do not use without written permission.