I've done an esb after a non washed S-04 trub of a porter and it came out great! same kegging and brewing days are coming up soon. planning on pitching a few more right on trub!
haven't noticed any color or taste contamination from darker beer to lighter beer. assuming your adding whiskey/oak to secondary and not primary?
Yankee Sand Flea on a Southern Beach.
Son, you are a walking violation of the laws of nature, but youre lucky, we don't enforce them laws.