I was going to keg this today. Are you guys adding more tea bags to the keg? I used 10 bags at the end of the boil, but the mint flavor seems pretty faint right now.
On a side note, I was always under the impression that you only had to worry about overstepping black, green, and white teas. I thought you didn't have to worry about overstepping herbal teas. Maybe mint is an exception though.