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Old 08-04-2011, 12:53 PM   #11
Post Hoc Ergo Propter Hoc
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Dec 2007
"Detroitish" Michigan
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Back to the original question-

Gushing can be from-

1 Infection

2 too much sugar

3 bottling before fermentation is complete, this is why bottling, or dong anything like racking to a secondary, should be done based on HYDROMETER readings and NOT the instruction or a calendar, or airlock bubbling stopping or slowing down.

4 Not chilling the beer and letting the co2 be pulled into solution.

5 Opening the bottles too soon, usually around 1 week, when the co2 is in the headspace but NOT in solution. This is best illustrated by Poindexter's video from my bottling blog.

6) Shaking/agitating the bottle.

These are pretty much the only reasons why a bottle would gush.
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