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2020 Barrel Aged Imperial Stout

489 calories 53.5 g 12 oz
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Beer Stats
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 110 gallons (fermentor volume)
Pre Boil Size: 120 gallons
Post Boil Size: 110 gallons
Pre Boil Gravity: 1.132 (recipe based estimate)
Post Boil Gravity: 1.144 (recipe based estimate)
Efficiency: 74% (brew house)
Source: Stubborn German Brewing Company
Calories: 489 calories (Per 12oz)
Carbs: 53.5 g (Per 12oz)
Created: Monday January 26th 2015
1.144
1.042
13.4%
41.6
50.0
5.3
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
165 lb Dry Malt Extract - Amber165 lb Dry Malt Extract - Amber 42 10 31.7%
125 lb US - Pale 2-Row125 lb Pale 2-Row 37 1.8 24%
60 lb Munich - Light 10L60 lb Munich - Light 10L 33 10 11.5%
54.54 lb Flaked Oats54.54 lb Flaked Oats 33 2.2 10.5%
42 lb German - De-Husked Caraf II42 lb De-Husked Caraf II 32 418 8.1%
30 lb American - Caramel / Crystal 80L30 lb Caramel / Crystal 80L 33 80 5.8%
16.91 lb American - Black Malt16.91 lb Black Malt 28 500 3.3%
15.60 lb American - Caramel / Crystal 40L15.6 lb Caramel / Crystal 40L 34 40 3%
10.91 lb United Kingdom - Roasted Barley10.91 lb Roasted Barley 29 550 2.1%
519.96 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
42 oz Magnum42 oz Magnum Hops Pellet 12 Boil 60 min 41.63 100%
42 oz / $ 0.00
 
Yeast
White Labs - Edinburgh Scottish Ale Yeast WLP028
Amount:
1.09 Each
Cost:
Attenuation (avg):
72.5%
Flocculation:
Medium
Optimum Temp:
65 - 70 °F
Starter:
No
Fermentation Temp:
95 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 4814 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 0 Volumes
 
Target Water Profile
RO Water
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
Infusion -- 156 °F --
Starting Mash Thickness: 1.5 qt/lb
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 113.83 gal (455.3 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 101.83 gal (407.3 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 161.51 gal (646.03 qt) 133.11 532.4  
Strike water volume at mash thickness of 1.5 qt/lb 133.11 532.4  
Mash volume with grains 161.51 646  
Grain absorption losses -44.37 -177.5  
Remaining sparge water volume (equipment estimates 12.49 g | 50 qt) 18.67 74.7  
Mash Lauter Tun losses -0.25 -1  
Volume increase from sugar/extract (early additions) 12.84 51.4  
Pre boil volume (equipment estimates 113.83 g | 455.3 qt) 120 480  
Boil off losses -2.25 -9  
Hops absorption losses (first wort, boil, aroma) -1.58 -6.3  
Post boil Volume 110 440  
Going into fermentor 110 440  
Total: 151.78 607.1
Equipment Profile Used: System Default
 
Notes

Water:
60 Gypsum
45 Salt
30 CaCl
200 Chalk

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  • Last Updated: 2025-12-09 17:41 UTC