Dark Sky Imperial Stout Beer Recipe | All Grain Imperial Stout | Brewer's Friend
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Dark Sky Imperial Stout

270 calories 23.1 g 12 oz
Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 60 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 7.5 gallons
Pre Boil Gravity: 1.055 (recipe based estimate)
Post Boil Gravity: 1.082 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 270 calories (Per 12oz)
Carbs: 23.1 g (Per 12oz)
Created: Monday March 9th 2026
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1.082
1.014
9.0%
95.8
50.0
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb US - Pale 2-Row10 lb Pale 2-Row 37 1.8 62.5%
1 lb Flaked Oats1 lb Flaked Oats 33 2.2 6.3%
1 lb Flaked Barley1 lb Flaked Barley 32 2.2 6.3%
1 lb American - Caramel / Crystal 120L1 lb Caramel / Crystal 120L 33 120 6.3%
1 lb American - Chocolate1 lb Chocolate 29 350 6.3%
8 oz United Kingdom - Black Patent8 oz Black Patent 27 525 3.1%
8 oz American - Roasted Barley8 oz Roasted Barley 33 300 3.1%
1 lb Corn Sugar - Dextrose1 lb Corn Sugar - Dextrose 42 0.5 6.3%
16 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz Columbus1 oz Columbus Hops Pellet 17 Boil 60 min 61.89 25%
1 oz Cascade1 oz Cascade Hops Pellet 7 Boil 20 min 15.43 25%
2 oz Cascade2 oz Cascade Hops Pellet 7 Boil 10 min 18.48 50%
4 oz / 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 tsp Calcium Chloride (anhydrous) Water Agt Mash 0 min.
 
Yeast
Fermentis - Safale - American Ale Yeast US-05
Amount:
2 Liters
Cost:
Attenuation (avg):
81%
Flocculation:
Medium
Optimum Temp:
54 - 77 °F
Starter:
Yes
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 131 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.75 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
"Dark Sky Imperial Stout" Imperial Stout beer recipe by corylew. All Grain, ABV 8.95%, IBU 95.81, SRM 50, Fermentables: (Pale 2-Row, Flaked Oats, Flaked Barley, Caramel / Crystal 120L, Chocolate, Black Patent, Roasted Barley, Corn Sugar - Dextrose) Hops: (Columbus, Cascade) Other: (Calcium Chloride (anhydrous))
Recipe Picture
Last Updated and Sharing
 
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Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2026-03-09 17:34 UTC
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