I've had a couple stouts push thru the airlock. yeast in the airlock and on the lid.
Another blew the lid off after filling the airlock with yeast and wort.
Another with krausen 11 inches up the walls of a 14 gallon fermenter.
So yes stouts ferment quite heavily.
Secondary British all Amarillo IPA, Calypso
Conditioning Decoction maddness, FlyingJess Ale
Drinking Oatmeal Chocolate Stout, Oaked Bourbon Chocolate Stout, Dry Mead)
Up NextScottish ale and Dopple Bock
Always ready for the wack snack attack, I carry sandwiches around in a straight edge style JanSports backpack.
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