Ask Mr. Wizard

Over-carbonation issues

TroubleShooting

Greg Hutchinson — Essendon, Australia asks,
Q

I seem to be having trouble with my beer when I bottle and leave the bottles for a while. They froth when I open them and keep slowly frothing after until half the bottle is finished. What can I do about this?

A
This general phenomenon is loosely referred to as gushing and has numerous causes in beer. Typically there is a primary culprit in a case of gushing, but it is not unusual for
Response by Ashton Lewis.