I brewed a new batch. I am using extract and a yeast that I have never used before: SafAle BE-256. I got a nice healthy Krausen by the morning after brew day, with massive CO2 activity, but by the following morning, 36h after brewing, krausen was completely gone and CO2 activity decreased quite a bit.
Seems a bit fast so I am worried something has gone wrong. Can this be normal? Fermentis website says it ferments fast, didnt expect that fast....