So yeah. In the past I have always used a stepped mash.. starting at 130, then to 145, 155 then mashed out at 170, This past time I just mashed at 153 or so for an hour. The most recent grain bill was 9#marris otter, 1# flaked oats, 1#chocolate malt (350SRM), 12 oz caramel malt (80L), 8 oz black...