Originally Posted by dwarven_stout

Bit of a difference between Wyeast 1388 and the Dupont strain. 80 is pretty warm for 1388- maybe too warm, and if that was the ambient temp then it was definitely too warm. It's much better to start at 65 and let it rise naturally to 75 and hold it.

Still, extended cool aging could take some of the bite off of it. I brewed a BSG too hot last year, and it's mellowed some. Better yet, I learned my lesson on temp control in early ferm, so I don't do it wrong anymore.