Imperial Stout (cold mash infusion) - draft - Beer Recipe - Brewer's Friend

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Imperial Stout (cold mash infusion) - draft

326 calories 30.8 g 12 oz
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Beer Stats
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 180 min
Batch Size: 25 gallons (fermentor volume)
Pre Boil Size: 28.09 gallons
Post Boil Size: 25 gallons
Pre Boil Gravity: 1.050 (recipe based estimate)
Post Boil Gravity: 1.098 (recipe based estimate)
Efficiency: 72% (brew house)
Source: Matt
Calories: 326 calories (Per 12oz)
Carbs: 30.8 g (Per 12oz)
Created: Tuesday September 10th 2024
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OG: 1.092 FG: 1.021 ABV: 9.3% IBU: 60

1.098
1.021
10.1%
57.0
35.2
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
55 lb Malteurop - 2 Row55 lb 2 Row 34.3 2.15 62.9%
5 lb United Kingdom - Golden Naked Oats5 lb Golden Naked Oats 33 10 5.7%
10 lb Brown Sugar10 lb Brown Sugar - (late boil kettle addition) 45 15 11.4%
2 lb American - Roasted Barley2 lb Roasted Barley - (late mash tun addition) 33 300 2.3%
2 lb United Kingdom - Pale Chocolate2 lb Pale Chocolate - (late mash tun addition) 33 207 2.3%
2 lb Caramel / Crystal 60L2 lb Caramel / Crystal 60L - (late mash tun addition) 34 60 2.3%
1.50 lb American - Blackprinz1.5 lb Blackprinz - (late mash tun addition) 36 500 1.7%
10 lb Liquid Malt Extract - Dark10 lb Liquid Malt Extract - Dark - (late boil kettle addition) 35 30 11.4%
87.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
5 oz Magnum5 oz Magnum Hops Pellet 15 Boil 60 min 56.99 100%
5 oz / $ 0.00
 
Yeast
BSI - A-28 London Ale I
Amount:
9 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Medium
Optimum Temp:
60 - 72 °F
Starter:
No
Fermentation Temp:
65 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 773 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.65 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
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
22 gal Beta Rest Strike 145 °F 145 °F 30 min
Alpha Rest Temperature 145 °F 155 °F 30 min
Mash Out Temperature 155 °F 168 °F 2 min
5 gal Sparge Fly Sparge 168 °F 168 °F 30 min
Starting Mash Thickness: 1.3 qt/lb
Starting Grain Temp: 85 °F
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 29.69 gal (118.75 qt). Suggest reducing initial water volume to 10.4 gal (41.61 qt) and adding 17.69 gal (70.75 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 27.34 gal (109.35 qt). Suggest reducing strike water volume to 6.6 gal (26.4 qt) and adding 15.34 gal (61.35 qt) sparge/top-off. 21.94 87.8  
Strike water volume at mash thickness of 1.3 qt/lb 21.94 87.8  
Mash volume with grains 27.34 109.4  
Grain absorption losses -8.44 -33.8  
Remaining sparge water volume 14.84 59.4  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume 28.09 112.4  
Volume increase from sugar/extract (late additions) 1.6 6.4  
Boil off losses -4.5 -18  
Hops absorption losses (first wort, boil, aroma) -0.19 -0.8  
Post boil Volume 25 100  
Going into fermentor 25 100  
Total: 36.78 147.1
Equipment Profile Used: System Default
 
Notes

We are thinking about trying to cold mash our darker grains separately hence no dark grains in the recipe. This a work in progress.

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  • Last Updated: 2024-10-17 17:49 UTC