The Brulosophy blog motivated me to try this out.
I have a Hoppy session pils fermenting right now. It's been 6 days (at around 52-53F), and the thick krausen is still there. I won't ramp up as long as the krausen is that thick.
OG 1.040
IBU 27 calculated
Saflager 34/70 yeast
Perle @ 45
Citra...