Hi All - I recently brewed a Coffee Milk Stout with an OG of 1.067 (11.5 lb grain bill, 1 oz 60 min hops, 1 lb lactose at 15 min, 4 oz coffee ground at flame out). Fermentation was temperature controlled at 66 degrees and I left it in primary for 20 days. All seemed well, but then I did a...