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Pub 126 - Smoked Imperial Stout

303 calories 29.7 g 12 oz
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Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 90 min
Batch Size: 238 gallons (ending kettle volume)
Pre Boil Size: 279 gallons
Pre Boil Gravity: 1.077 (recipe based estimate)
Efficiency: 70% (ending kettle)
Source: Mat deGeus
Hop Utilization: 98%
Calories: 303 calories (Per 12oz)
Carbs: 29.7 g (Per 12oz)
Created: Friday August 8th 2025
1.091
1.021
9.1%
55.6
40.0
5.3
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
55 lb Canada Malting - CMC 6-ROW MALT55 lb CMC 6-ROW MALT 37 2.2 6.7%
82.50 lb Bestmalz - BEST Smoked82.5 lb BEST Smoked 35.4 2.5 10.1%
25 lb Briess - Blackprinz Malt25 lb Blackprinz Malt 25 500 3.1%
27.50 lb Bairds - Chocolate Malt27.5 lb Chocolate Malt 31 500 3.4%
27.50 lb Bairds - Roasted Barley27.5 lb Roasted Barley 33 600 3.4%
27.50 lb Castle Malting - Château Special Belgium27.5 lb Château Special Belgium 34 115 3.4%
50 lb Briess - DME Pilsen Light50 lb DME Pilsen Light 43 2 6.1%
413 lb Bairds - Maris Otter Pale Ale413 lb Maris Otter Pale Ale 37.5 2.5 50.5%
110 lb Canada Malting - CMC 2-ROW MALT110 lb CMC 2-ROW MALT 36 1.75 13.4%
818 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
43 oz Magnum43 oz Magnum Hops Pellet 15 Boil 75 min 55.56 100%
43 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
600 ml Lactic acid Water Agt Mash 1 min.
Priming
CO2 Level: 2.37 Volumes
 
Target Water Profile
San Antonio, TX (SAWS) 3/1/2018
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
305.81 gal Strike 163 °F 146 °F 60 min
Starting Mash Thickness: 1.5 qt/lb
Starting Grain Temp: 70 °F
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 241.86 gal (967.45 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 229.86 gal (919.45 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 349.44 gal (1397.76 qt) 288 1152  
Strike water volume at mash thickness of 1.5 qt/lb 288 1152  
Mash volume with grains 349.44 1397.8  
Grain absorption losses -96 -384  
Remaining sparge water volume 83.41 333.6  
Mash Lauter Tun losses -0.25 -1  
Volume increase from sugar/extract (early additions) 3.84 15.4  
Pre boil volume (equipment estimates 241.86 g | 967.5 qt) 279 1116  
Boil off losses -2.25 -9  
Hops absorption losses (first wort, boil, aroma) -1.61 -6.5  
Post boil volume (equipment estimates 275.14 g | 1100.6 qt) 238 952  
Estimated amount in fermentor 238 952  
Total: 371.41 1485.6
Equipment Profile Used: System Default
"Pub 126 - Smoked Imperial Stout" Imperial Stout beer recipe by Mat deGeus. All Grain, ABV 9.11%, IBU 55.56, SRM 40, Fermentables: (CMC 6-ROW MALT, BEST Smoked, Blackprinz Malt, Chocolate Malt, Roasted Barley, Château Special Belgium, DME Pilsen Light, Maris Otter Pale Ale, CMC 2-ROW MALT) Hops: (Magnum) Other: (Lactic acid)
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  • Last Updated: 2025-08-21 20:04 UTC