Ok first of all, I used an imperial oatmeal stout recipe and the OG ended up at 1.054, which is far lower than I expected, any tips on efficiency to get a higher OG? The recipe is as follows.
11 lbs. Pale Malt Extract
1 lb. Brewers Oats
1/4 lb. Chocolate Malt
1/4 lb. Black Patent
3/4 lb...