Originally Posted by tiltie
My experience with Windsor was that the fermentation was biphasic--about 8 days after the initial blast of activity it took off again for a day or two. I've had the same experience with the Edme strain--but no other yeast. My advice is to wait it out for two more weeks.
Only one time with Windsor, but I had a similar experience. Brewed 1/11, hit OG of 1.049. Fermented cool (57-60). Fermentation seemed to stop around 1/20, but 1/25 gravity had been steady at 1.020. Figured at 60%AA I may have hit Windsor's max (as I had seen it) or thereabouts. Dryhopped that day. Two days later had airlock activity. Figured it was changing barometric pressure. Cold crashed on 1/30. Went to bottle on 2/1 and check gravity--it had dropped to 1.014. Let it ride two more days at about 50 degrees to make sure it was really done this time, and it was. Ended up with 71% attenuation (it also flocced well thanks to the cold crash).
Now I have a new word to describe what I experienced--biphasic.