Bike Forums - View Single Post - Storing water bladder in freezer (how long is safe?)

01-15-18 | 08:52 AM

#16

cyccommute

Mad bike riding scientist

Joined: Nov 2004

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From: Denver, CO

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Quote:

Originally Posted by keyven

I generally keep my bladder in there for a week or two max but it's been several months since I last used it - should I take it out and wash it or leave it?

Would there a rough time limit before it becomes theoretically unsafe to drink from - like water that has been frozen for a year or so?

Thanks for any advice!

Time limit on frozen water being unsafe to drink? 20,000 to 2 million years, roughly. And the 2 million year limit is probably because you won't find any glaciers older than that.

Realistially, it shouldn't matter. Freezing isn't conducive to microgrowth...not that there is much in the way of microbes in treated water. Freezing also slows down any possible chemical reactions as well. But, again, there's not much going on chemically in the water to begin with.

Thaw it. Use it. Fill it. And use it again.

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