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Blistered better bottles

after a few years of use my BB have begun to blister on the inside for no reason that i can believe that caused them. anyone else have this problem? are they really better or is mine an isolated case?

I’d say it’s delaminating. Time to buy a new one. :?

Never heard of a BB blistering. What are you using the clean the BBs and how are you doing it? Any scrubbing or using a degassing wand on a drill or any other possible sources of scratching?

I’ve got some that are at least a few years old and none of this is happening. My guess is you put hot water/wort in over 140F, thats all they are rated for. There is also a list of chemicals they aren’t compatible with but I don’t see any you’d be likely to use as cleaners.
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