I'm going on a 2-day backpacking trip. I have a CamelBak that I haven't used in 4 years. I saw zero mold in it, it smelled fine. I flushed it a few times, including the lines and mouthpiece, with near boiling hot water. Then I filled it with tap water. I drank a little, it tasted fine.

Should it be safe to use?


Honestly, you should be perfectly fine to use it. If there was no mold after storing it and before cleaned it out, I wouldn't worry about it.

Camelbak's official cleaning instructions say it safe to use even if you had gotten mold inside of it after following their instructions (although it still might be stained).

In short, you should be fine.


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