Guinness Extra Stout

Recipe Details

Batch Size Boil Time IBU SRM Est. OG Est. FG ABV
10 gal 60 min 38.7 IBUs 37.0 SRM 1.045 1.014 4.1 %
Actuals 1.042 1.01 4.2 %

Style Details

Name Cat. OG Range FG Range IBU SRM Carb ABV
Irish Stout 15 B 1.036 - 1.044 1.007 - 1.011 25 - 45 25 - 40 2 - 2.6 4 - 4.5 %

Fermentables

Name Amount %
Pale Malt (2 Row) UK 11.25 lbs 60
Barley, Flaked 5 lbs 26.67
Roasted Barley 1.5 lbs 8
Acid Malt 1 lbs 5.33

Hops

Name Amount Time Use Form Alpha %
Goldings, East Kent 113.4 g 60 min Boil Pellet 5

Miscs

Name Amount Time Use Type
Chalk 9.02 g 60 min Mash Water Agent
Gypsum (Calcium Sulfate) 2.95 g 60 min Mash Water Agent
Epsom Salt (MgSO4) 2.49 g 60 min Mash Water Agent
Baking Soda 2.10 g 60 min Mash Water Agent
Calcium Chloride 0.88 g 60 min Mash Water Agent
Defoamer 8.00 Items 90 min Boil Fining
Irish Moss 0.50 tsp 10 min Boil Fining
Yeast Nutrient 6.00 g 10 min Boil Other

Yeast

Name Lab Attenuation Temperature
Irish Ale Yeast (WLP004) White Labs 72% 65°F - 68°F

Mash

Step Temperature Time
Protein Rest 122°F 30 min
Saccharification 156°F 30 min
Mash Out 168°F 10 min

Fermentation

Step Time Temperature
Primary 4 days 67°F
Secondary 10 days 67°F
Aging 30 days 65°F

Notes

Nitro Tips:
http://byo.com/stories/issue/item/88-achieving-nitro-nirvana

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