Brewed a version of this on Friday (subbed Fuggles/Goldings for Willamette, used British Ale 1098 b/c couldn't find the British Ale II).
Brewday went excellent. Made a 4 gallon batch. Hit numbers great. Aerated like normal, pitched yeast, and....bubbles within about 3 hours. That is very weird for me. Usually takes my beers about 18-24 hours to start fermentation. So I was excited.
After 12 hours (the next morning), I had crazy bubbles. Like 1-2 per second crazy bubbling fermentation. It was in my usual fermentation room, the ambient temps at 65 (stopped using my swamp cooler around October).
Nothing out of the ordinary in my brewing/sanitizing/fermentation process, but the fermentation (1) started faster than any other beer I've ever brewed (2) went more vigorously than any other beer I've ever done, and (3) is seemingly done/winding down now, 72 hours later (bubble every 30 seconds or so), making it the fastest fermenting brew I've ever done. Is anyone else getting a really fast and vigorous fermentation with this brew?
I don't make many porters/stouts (this is my 2nd, and my first AG stout -- made about 15 batches overall), so I'm just curious if this is a common thing with this type of beer.