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I have a hydration bladder with a screw on the drinking hose, and the problem is that given enough time it will come unscrewed and then leak inside my backpack.
I have tried tightening it as hard as I dare, (everything is made of plastic) and it still eventually comes loose.
I could live with a permanent solution, since its fairly uncommon to have to remove the hose, and yet I would prefer something that can be undone if possible.
How can I keep the hose on my hydration bladder from unscrewing?
I looked into it a bit more and I would recommend trying a light coat of plumber's tape on the threads of the hose connection.
Pipe thread tape, or 'plumbing tape' is made from Polytetrafluoroethylene (PTFE). A non-toxic and stable synthetic fluoropolymer
The trick is to wrap it the same way as the you tighten.
PTFE, It is also used in non-stick coatings on kitchenware so for a non-heated application I would say it would be just fine to use.
