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Graduation Stout

308 calories 27 g 12 oz
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Beer Stats
Method: BIAB
Style: Imperial Stout
Boil Time: 120 min
Batch Size: 12 gallons (fermentor volume)
Pre Boil Size: 16 gallons
Post Boil Size: 12.5 gallons
Pre Boil Gravity: 1.057 (recipe based estimate)
Post Boil Gravity: 1.093 (recipe based estimate)
Efficiency: 65% (brew house)
Hop Utilization: 98%
Calories: 308 calories (Per 12oz)
Carbs: 27 g (Per 12oz)
Created: Sunday May 3rd 2026
1.093
1.017
9.9%
64.2
37.2
5.5
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
20 lb Avangard - Pilsner20 lb Pilsner 37.3 1.7 45.5%
4.50 lb Flaked Oats4.5 lb Flaked Oats 33 2.2 10.2%
4 lb American - White Wheat4 lb White Wheat 40 2.8 9.1%
3 lb Corn Sugar - Dextrose3 lb Corn Sugar - Dextrose - (late boil kettle addition) 42 0.5 6.8%
3 lb Briess - DME Pilsen Light3 lb DME Pilsen Light - (late boil kettle addition) 43 2 6.8%
32 oz Blackberry32 oz Blackberry - (late boil kettle addition) 3.6 0 4.5%
2 lb Warminster Maltings - Brown Malt2 lb Brown Malt 34 40 4.5%
1.50 lb American - Chocolate1.5 lb Chocolate 29 350 3.4%
1.50 lb American - Roasted Barley1.5 lb Roasted Barley 33 300 3.4%
1.50 lb Dingemans - Special B1.5 lb Special B 33.1 125 3.4%
1 lb Lactose (Milk Sugar)1 lb Lactose (Milk Sugar) - (late boil kettle addition) 41 1 2.3%
44 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz Barth-Haas - Polaris1 oz Polaris Hops Pellet 21 Boil 120 min 33.48 50%
1 oz Barth-Haas - Polaris1 oz Polaris Hops Pellet 21 Boil 60 min 30.69 50%
2 oz / $ 0.00
 
Yeast
Fermentis - Safale - American Ale Yeast US-05
Amount:
1 Each
Cost:
Attenuation (avg):
81%
Flocculation:
Medium
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 353 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.44 Volumes
 
Target Water Profile
Amber Malty
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
Temperature -- 152 °F 60 min
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 15.08 gal (60.3 qt). Suggest reducing initial water volume to 11.22 gal (44.9 qt) and adding 3.08 gal (12.3 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 23.43 gal (93.7 qt). Suggest reducing initial strike volume to 9.2 gal (36.8 qt) and adding 11.43 gal (45.7 qt) sparge/top-off. 20.63 82.5  
Strike water volume (equipment estimates 18.92 g | 75.7 qt) 20.63 82.5  
Mash volume with grains (equipment estimates 21.72 g | 86.9 qt) 23.43 93.7  
Grain absorption losses -4.38 -17.5  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 14.3 g | 57.2 qt) 16 64  
Volume increase from sugar/extract (late additions) 0.78 3.1  
Boil off losses -3 -12  
Hops absorption losses (first wort, boil, aroma) -0.08 -0.3  
Post boil Volume (equipment estimates 12 g | 48 qt) 12.5 50  
WARNING: Exceeded batch size - reduce boil size    
Volume into fermentor (equipment estimates 12.5 g | 50 qt) 12 48  
Total: 20.63 82.5
Equipment Profile Used: System Default
"Graduation Stout" Imperial Stout beer recipe by Brewer #92030. BIAB, ABV 9.91%, IBU 64.17, SRM 37.23, Fermentables: (Pilsner, Flaked Oats, White Wheat, Corn Sugar - Dextrose, DME Pilsen Light, Blackberry, Brown Malt, Chocolate, Roasted Barley, Special B, Lactose (Milk Sugar)) Hops: (Polaris)
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  • Public: Yup, Shared
  • Last Updated: 2026-05-03 21:56 UTC