About that… I woke up to a blocked airlock, so that the pressure buildup opened the lid and a bit of yeast flowed out on the side. Not a big deal to clean up, but ultimately much higher Kräusen than expected. 40 hours after pitching the yeast, I think I may have to do some top cropping later.
Reposted from
Andreas Krennmair
And fortunately not too happy! The Verdant IPA strain is a descendant of London Ale III, which in my experience produces crazy high Kräusen. The last thing I want to do is install a blowoff tube.
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The fv had a lid as normal, but in the side there was a pipe with a flap valve. So when the barm got high, it'd slide..
Was really ingenious.
1. never had to deal to with such extreme top croppers,
2. mostly brew bottom-fermented beers these days,
3. all my fermenters have 50% head space,
so never needed anything like it.