Black Harp Dry Irish Stout All-Grain Beer KitBlack Harp Irish Dry Stout Style Batch Size ABV OG FG IBU Irish Stout 20L 4. 3% 1. 045 1. 012 37 This recipe will give you something very similar to Guiness. The recipe keeps things simple with just Maris Otter, Flaked Barley and Roasted Barley. The Flaked Barley adds a smoothness and improves head retention. The roasted barley adds a rich, roasty character to the beer which is balanced by the earthy bitterness of the Fuggles hops. Irish Dry Stout is