Brewed an Oatmeal stout about a month ago with a OG of 1.064. Past few weeks I've measured it and it has been stuck at 1.020. It fermented at 63*F using WLP001 Cali ale yeast.
Previously when I had done this brew, it went down to 1.015 and 1.013 on 2 separate brews. I moved the fermenter to a warmer location, 72* thinking maybe the yeast got too cold to finish the job (I've brewed probably 30-40 beers and never had this problem).
Bouncing some ideas off fellow brewers: I never filtered the beer after cooling it nor did I use whirlfloc. I simply forgot to throw in the whirlfloc and given that it is a super dark oatmeal stout, I wasnt too worried about clarity. Could the added "stuff" in the beer be causing the slightly higher gravity readings?
It tastes great and like I remember, I just dont want to bottle this and suddenly have bottle bombs on my hand.
Thanks for any input!