I'm going to make an Imperial Stout and have never made one before. I usually let my Hefy and Kolsch go for about 10-14 days before I bottle it. But the stout will have a higher gravity then both of those. How long should I let it sit? Would 21-28 day work or do I need to let it sit longer. I haven't started it yet but want to plan my schedule so I can have the time needed for it. Also, the recipe calls for 1 lb of dark brown sugar. I've read that adding a little molasses helps give that nice chocolate/coffee flavor that I'm after. What do you suggest and how much to I add? Thanks in advance.