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Darkness II

311 calories 27.9 g 12 oz
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Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 70 min
Batch Size: 11 gallons (fermentor volume)
Pre Boil Size: 12.88 gallons
Post Boil Size: 11 gallons
Pre Boil Gravity: 1.081 (recipe based estimate)
Post Boil Gravity: 1.094 (recipe based estimate)
Efficiency: 68% (brew house)
Source: Patrick
Hop Utilization: 97%
Calories: 311 calories (Per 12oz)
Carbs: 27.9 g (Per 12oz)
Created: Saturday May 24th 2014
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Fermentables
Amount Fermentable Cost PPG °L Bill %
5 lb Flaked Oats5 lb Flaked Oats 33 2.2 11.9%
18 lb Munich18 lb Munich 37 6 42.9%
3 lb American - Chocolate3 lb Chocolate 29 350 7.1%
16 lb United Kingdom - Maris Otter Pale16 lb Maris Otter Pale 38 3.75 38.1%
42 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz Warrior1 oz Warrior Hops Pellet 14.2 Boil 60 min 18.08 28.6%
2 oz Magnum2 oz Magnum Hops Pellet 14.6 Boil 30 min 28.57 57.1%
0.50 oz Simcoe0.5 oz Simcoe Hops Pellet 12.1 Boil 10 min 2.79 14.3%
3.50 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
6 oz cacao nibs Flavor Secondary 0 min.
3 lb Peanut Butter PB2 Flavor Secondary 0 min.
 
Yeast
Fermentis - Safale - English Ale Yeast S-04
Amount:
3 Each
Cost:
Attenuation (custom):
80%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
70 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 327 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 7.48 psi       Temp: 39 °F       CO2 Level: 2.1 Volumes
 
Target Water Profile
Greer CPW Water 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
5.045 gal Sparge water Sparge -- 170 °F --
13.125 gal Strike 164 °F 152 °F 60 min
Starting Mash Thickness: 1.25 qt/lb
Starting Grain Temp: 68 °F
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 12.88 gal (51.53 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 0.88 gal (3.53 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 16.49 gal (65.94 qt). Suggest reducing strike water volume to 8.64 gal (34.56 qt) and adding 4.49 gal (17.94 qt) sparge/top-off. 13.13 52.5  
Strike water volume at mash thickness of 1.25 qt/lb 13.13 52.5  
Mash volume with grains 16.49 65.9  
Grain absorption losses -5.25 -21  
Remaining sparge water volume 5.26 21  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume 12.88 51.5  
Boil off losses -1.75 -7  
Hops absorption losses (first wort, boil, aroma) -0.13 -0.5  
Post boil Volume 11 44  
Going into fermentor 11 44  
Total: 18.38 73.5
Equipment Profile Used: System Default
 
Notes

Secondary the PB2 and Coco Nibs - remove a gallon of wort from primary fermentation to heat it up to 140 to mix PB2 into solution with the coco nibs.

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  • Last Updated: 2026-03-15 23:09 UTC