I have used the Nalgenes without incident. I am going to test out the semi-soft Sawyer Squeeze water bags for hot water, and see how they fare. If they work okay, I will skip the weight and bulk of the Nalgenes, although we have bonded together for a long time!
~ SkyPainter - never jump out of an airplane higher than you are willing to fall.
SkyPainter - "... and then the police came."
All these years people said,"He's acting like a kid!
He did not know that he could not fly, and so, he DID!
Live Purposefully; Dare Greatly; Land Gently
"Never knock on Death's door - just ring the bell and run! He hates that!"
My outdoorsy YouTube channel is: "WMICommissioner"