Brewing Science American Porter and Stout Beer Recipe | All Grain Imperial Stout | Brewer's Friend
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Brewing Science American Porter and Stout

173 calories 20.1 g 12 oz
Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 7.5 gallons
Pre Boil Gravity: 1.038 (recipe based estimate)
Post Boil Gravity: 1.052 (recipe based estimate)
Efficiency: 75% (brew house)
Calories: 173 calories (Per 12oz)
Carbs: 20.1 g (Per 12oz)
Created: Thursday April 9th 2026
1.052
1.016
4.6%
28.7
24.9
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb 1886 Malt House - NY 2-Row Pale Malt10 lb NY 2-Row Pale Malt 35.64 1.8 93%
12 oz American - Dark Chocolate12 oz Dark Chocolate 29 420 7%
10.75 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz Columbus1 oz Columbus Hops Pellet 15 Boil 15 min 28.69 100%
1 oz / 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
5.37 gal Strike 161 °F 152 °F 60 min
Starting Mash Thickness: 2 qt/lb
Starting Grain Temp: 65 °F
 
Yeast
Bulldog (Hambleton Bard) - English Ale (B4)
Amount:
2 Each
Cost:
Attenuation (avg):
67%
Flocculation:
High
Optimum Temp:
61 - 70 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 94 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.75 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
"Brewing Science American Porter and Stout" Imperial Stout beer recipe by Brewer #477816. All Grain, ABV 4.63%, IBU 28.69, SRM 24.9, Fermentables: ( NY 2-Row Pale Malt, Dark Chocolate) Hops: (Columbus)
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  • Public: Yup, Shared
  • Last Updated: 2026-04-09 20:44 UTC
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