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Impy

656 calories 59 g 500 ml
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Beer Stats
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 120 min
Batch Size: 21 liters (fermentor volume)
Pre Boil Size: 28.5 liters
Pre Boil Gravity: 1.093 (recipe based estimate)
Post Boil Gravity: 1.139 (recipe based estimate)
Efficiency: 65% (brew house)
Calories: 656 calories (Per 500ml)
Carbs: 59 g (Per 500ml)
Created: Saturday June 7th 2025
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1.139
1.028
14.6%
72.5
50.0
5.5
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
2 kg Flaked Barley2 kg Flaked Barley 32 2.2 15.5%
0.50 kg Dingemans - Biscuit0.5 kg Biscuit 34.5 22 3.9%
0.50 kg German - CaraRye0.5 kg CaraRye 34 67 3.9%
3 kg Crisp Malting - Extra Pale Maris Otter3 kg Extra Pale Maris Otter 37.5 2 23.3%
3 kg Dingemans - Pilsen3 kg Pilsen 36.8 1.7 23.3%
0.47 kg Lyle - Black Treacle0.474 kg Black Treacle 36 74.4 3.7%
0.91 kg Tate and Lyle - Golden Syrup0.907 kg Golden Syrup 40 1 7%
1.50 kg Brown Sugar1.5 kg Brown Sugar 45 15 11.6%
1 kg Crisp Malting - Roasted Barley1 kg Roasted Barley - (late mash tun addition) 31.28 695 7.8%
12.88 kg / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
100 g East Kent Goldings100 g East Kent Goldings Hops Leaf/Whole 4.84 Boil 60 min 36.03 33.3%
50 g Bramling Cross50 g Bramling Cross Hops Leaf/Whole 5 Boil 60 min 18.61 16.7%
150 g Bramling Cross150 g Bramling Cross Hops Leaf/Whole 5 Hop Stand 20 min 17.86 50%
300 g / $ 0.00
 
Yeast
Mangrove Jack - Empire Ale M15
Amount:
2 Each
Cost:
Attenuation (avg):
72.5%
Flocculation:
Med-High
Optimum Temp:
21 - 24 °C
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 235 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
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
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
25 L Decoction 72 °C 65 °C 60 min
45 L Fly Sparge 80 °C 70 °C 40 min
Starting Mash Thickness: 2 L/kg
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 2 L/kg 20
Mash volume with grains 26.6
Grain absorption losses -10
Remaining sparge water volume (equipment estimates 22.9 L) 17.5
Mash Lauter Tun losses -0.9
Volume increase from sugar/extract (early additions) 1.9
Pre boil volume (equipment estimates 33.9 L) 28.5
Boil off losses -11.4
Hops absorption losses (first wort, boil, aroma) -0.8
Post boil Volume 21.8
Hops absorption losses (whirlpool, hop stand) -0.8
Going into fermentor 21
Total: 37.5  
Equipment Profile Used: System Default
"Impy" Russian Imperial Stout beer recipe by Taliesinbard. All Grain, ABV 14.59%, IBU 72.5, SRM 50, Fermentables: (Flaked Barley, Biscuit, CaraRye, Extra Pale Maris Otter, Pilsen, Black Treacle, Golden Syrup, Brown Sugar, Roasted Barley) Hops: (East Kent Goldings, Bramling Cross)
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  • Last Updated: 2025-06-07 14:04 UTC