I thought so too! Last brew I used an extra bunch of malt extract and had heaps! All over the walls and lid, this time, I swapped the malt for dextrose hoping to lighten things up a bit and it seems to have reacted super differently...
So I just put down a brew about 5 days ago (Pilsner) and when I checked on it today it had already stopped bubbling. I went to check the SG and when I lifted the lid, noticed this browny orange stuff floating on the beer... the SG reading shows that it’s about where it should be, post...