Brewer's Friend

Print

Ice Imperial Stout

310 calories 31.6 g 12 oz
brewer logo
Beer Stats
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 100 liters (fermentor volume)
Pre Boil Size: 110 liters
Post Boil Size: 100 liters
Pre Boil Gravity: 1.085 (recipe based estimate)
Post Boil Gravity: 1.093 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 310 calories (Per 12oz)
Carbs: 31.6 g (Per 12oz)
Created: Wednesday January 7th 2026
1.093
1.023
9.2%
51.7
50.0
5.8
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
20 kg Patagonia - Pilsen20 kg Pilsen 34 2 38.6%
9.50 kg Pauls Malt - Maris Otter Keep Flying9.5 kg Maris Otter Keep Flying 38 2.4 18.3%
2 kg BA Malt - Munich2 kg Munich 38 7 3.9%
2 kg BA Malt - Caramelo 1202 kg Caramelo 120 34 120 3.9%
2 kg United Kingdom - Dark Crystal 80L2 kg Dark Crystal 80L - (late boil kettle addition) 33 80 3.9%
2 kg Bestmalz - BEST Caramel Aromatic2 kg BEST Caramel Aromatic 34.5 19 3.9%
2 kg BA Malt - Carapils2 kg Carapils 34 4 3.9%
2 kg United Kingdom - Black Patent2 kg Black Patent - (late boil kettle addition) 27 525 3.9%
2 kg Pauls Malt - Miserable Fish (Melanoidin Malt)2 kg Miserable Fish (Melanoidin Malt) 34 17.4 3.9%
2 kg Castle Malting - Special B2 kg Special B 34 150 3.9%
2 kg BA Malt - Wheat Malt2 kg Wheat Malt 38 2 3.9%
0.30 kg Castle Malting - Château Roasted Barley0.3 kg Château Roasted Barley - (late boil kettle addition) 30 432 0.6%
2 kg Briess - Brewers Oat Flakes / Flaked oats2 kg Brewers Oat Flakes / Flaked oats 32.2 2.5 3.9%
2 kg BA Malt - M Chocolate2 kg M Chocolate - (late boil kettle addition) 29 400 3.9%
51.80 kg / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
145 g Magnum145 g Magnum Hops Pellet 12.7 Boil 60 min 34.15 47.5%
90 g Magnum90 g Magnum Hops Pellet 12.7 Boil 30 min 16.29 29.5%
70 g Kent Goldings70 g Kent Goldings Hops Pellet 5 Boil 5 min 1.29 23%
305 g / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
25 g Calcium Chloride (anhydrous) Water Agt Mash 1 hr.
5 g Salt Water Agt Mash 1 hr.
Priming
Method: co2       CO2 Level: 1.65 Volumes
 
Target Water Profile
London (Porter, dark ales)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
100 5 35 60 50 265
Mash Chemistry and Brewing Water Calculator
Quick Water Requirements
Water Liters
WARNING: Boil kettle capacity (45.4 L) exceeded. Volume required: 110.08 L. Suggest reducing initial water volume to 45.4 L and adding 64.68 L sparge/top-off.  
WARNING: Mash tun capacity exceeded. Volume required: 223.26 L. Suggest reducing strike water volume to 11.21 L and adding 177.86 L sparge/top-off. 189.1
WARNING: Based on your provided mash thickness (3.7 L/kg), your strike volume will exceeds the total water needed for the recipe (162.7 L). Reduce mash thickness to 3.09 L/kg or increase pre-boil volume to 136.4 L.  
Strike water volume at mash thickness of 3.7 L/kg 189.1
Mash volume with grains 223.3
Grain absorption losses -51.8
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 110.1 L) 110
Boil off losses -8.6
Hops absorption losses (first wort, boil, aroma) -1.5
Post boil Volume 100
Going into fermentor 100
Total: 162.7  
Equipment Profile Used: System Default
"Ice Imperial Stout" Russian Imperial Stout beer recipe by Genoa. All Grain, ABV 9.19%, IBU 51.74, SRM 50, Fermentables: (Pilsen, Maris Otter Keep Flying, Munich, Caramelo 120, Dark Crystal 80L, BEST Caramel Aromatic, Carapils, Black Patent, Miserable Fish (Melanoidin Malt), Special B, Wheat Malt, Château Roasted Barley, Brewers Oat Flakes / Flaked oats, M Chocolate) Hops: (Magnum, Kent Goldings) Other: (Calcium Chloride (anhydrous), Salt)
Last Updated and Sharing
 
93
Views
0
Brews
Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2026-01-07 22:35 UTC