Excessively carbonated beer

I've been brewing for about a decade, and every once in a while I get a brew which ages out and becomes excessively carbonated, as in the entire contents slowly bubble out of the bottle when opened.

I am always careful about having things clean, C-brite or B-brite, long boils, prestart the yeast to give it a head start on anything eveil, etc, etc. And another batch of the same recipe usually gives the same result, although I hate to do a test which takes a long time to give a result.

This isn't a huge pop and spurt, just a slow 1-2 minute conversion of all liquid to head.

I don't find any hints on this other than general "keep it clean" comments which don't seem likely to be the problem. After bottling brews are storage in a dark 52-55F cellar until used. I'd love to predict which brews will age well and which will turn to garbage, without waiting for several years to find out.

Reply to
Bill Davidsen
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I had the same findings in a batch of Bitburger clone I did. I was using the White Labs WLP800 yeast. After fermenting I lagered the whole batch for 4 weeks. I then kegged half the batch and bottled the rest. The kegged beer was fine. The bottled beer was over carbonated and very dry compared to the kegged. I suspect it wasnt finished fermenting and finished in the bottle. It didnt taste funky or contaminated in any way, just dry.

I like to see how beer ages as well. Thats why I keg half and bottle half.

Reply to
Kamper

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