I would go with after the boil while the liquid is still warm, if all else fails read the instructions
I have used it in the past with weaker dry yeasts (muntons, coopers) but most of the time I just go with out
One who advocates or is regarded as advocating subversion.
Originally Posted by KCBrewer
Drinking beer is like sex, you can pound them fast and be finished before everyone else, or take your time and enjoy the ride.