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Imperial Stout

300 calories 31.1 g 12 oz
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Beer Stats
Method: BIAB
Style: Imperial Stout
Boil Time: 30 min
Batch Size: 1 gallons (fermentor volume)
Pre Boil Size: 1.4 gallons
Post Boil Size: 1 gallons
Pre Boil Gravity: 1.065 (recipe based estimate)
Post Boil Gravity: 1.090 (recipe based estimate)
Efficiency: 60% (brew house)
Hop Utilization: 99%
Calories: 300 calories (Per 12oz)
Carbs: 31.1 g (Per 12oz)
Created: Tuesday September 2nd 2025
1.090
1.023
8.9%
61.1
50.0
5.2
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
43 oz Simpsons - Maris Otter pale43 oz Maris Otter pale 38 2.4 64.2%
10 oz Flaked Barley10 oz Flaked Barley 32 2.2 14.9%
5.50 oz German - Carafa II5.5 oz Carafa II 32 425 8.2%
5 oz Brown Malt5 oz Brown Malt 34 90.36 7.5%
3.50 oz Simpsons - Amber Malt3.5 oz Amber Malt 31.8 20.8 5.2%
67 oz / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
9.10 g Magnum9.1 g Magnum Hops Pellet 15 Boil 30 min 61.07 100%
9.10 g / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
2.66 g Chalk Water Agt Mash 1 hr.
0.82 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
0.62 g Epsom Salt Water Agt Mash 1 hr.
0.66 g Gypsum Water Agt Mash 1 hr.
0.66 g Baking Soda Water Agt Mash 1 hr.
2.20 ml Lactic acid Water Agt Mash 10 min.
 
Yeast
Fermentis - Safale - English Ale Yeast S-04
Amount:
2 Each
Cost:
Attenuation (avg):
75%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
Yes
Fermentation Temp:
68 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 29 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.65 Volumes
 
Target Water Profile
RO
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
150 10 30 65 100 346.1
Water is Hoppy 40 SRM
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
1.6 gal Infusion 161 °F 154 °F 30 min
Quick Water Requirements
Water Gallons  Quarts
Strike water volume (equipment estimates 2.54 g | 10.1 qt) 2.17 8.7  
Mash volume with grains (equipment estimates 2.87 g | 11.5 qt) 2.51 10  
Grain absorption losses -0.52 -2.1  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 1.76 g | 7 qt) 1.4 5.6  
Boil off losses -0.75 -3  
Hops absorption losses (first wort, boil, aroma) -0.01 -0  
Post boil Volume 1 4  
Volume into fermentor 1 4  
Total: 2.17 8.7
Equipment Profile Used: System Default
 
Notes

Fermentis - Safale - American Ale Yeast US-05
Fermentis - Safale - English Ale Yeast S-04
White Labs - California Ale Yeast WLP001
Wyeast - American Ale 1056
Imperial Yeast - A10 Darkness
White Labs - Dry English Ale Yeast WLP007
Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST
Danstar - Nottingham Ale Yeast
Mangrove Jack - New World Strong Ale M42
White Labs - San Diego Super Yeast WLP090

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  • Last Updated: 2025-10-29 02:40 UTC