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Imp Stout, "one giant leap"

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 80 min
Batch Size: 21 liters (fermentor volume)
Pre Boil Size: 23 liters
Post Boil Size: 21 liters
Pre Boil Gravity: 1.078 (recipe based estimate)
Post Boil Gravity: 1.085 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 263 calories (Per 330ml)
Carbs: 26.1 g (Per 330ml)

Created: Thursday December 10th 2020

Old Rasputin Clone

by lbsmith

OG: 1.089 FG: 1.016 ABV: 9.6% IBU: 76

Ukrainian Imperial Stout

by AHarper

OG: 1.092 FG: 1.021 ABV: 9.3% IBU: 60

plomb3

by Kalaskai

OG: 1.088 FG: 1.022 ABV: 8.7% IBU: 56

Original Gravity:

1.085

Final Gravity:

1.020

ABV (standard):

8.7%

IBU (tinseth):

63.7

EBC (ebcmorey):

68.5

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	EBC	Bill %
3.50 kg	The Swaen - Dutch Pale Ale3.5 kg Dutch Pale Ale	37.3	7	41.4%
2.50 kg	The Swaen - Swaen Vienna2.5 kg Swaen Vienna	36.8	10.51	29.6%
0.25 kg	The Swaen - GoldSwaen Brown0.25 kg GoldSwaen Brown	35	218.66	3%
0.50 kg	The Swaen - BlackSwaen Biscuit0.5 kg BlackSwaen Biscuit	36	78.56	5.9%
0.25 kg	The Swaen - BlackSwaen Coffee Malt0.25 kg BlackSwaen Coffee Malt	36	598.93	3%
0.80 kg	Flaked Oats0.8 kg Flaked Oats	33	4.37	9.5%
0.33 kg	Thomas Fawcett - Crystal Malt0.33 kg Crystal Malt	33	161.29	3.9%
0.33 kg	The Swaen - BlackSwaen Chocolate B0.33 kg BlackSwaen Chocolate B	34.5	900.48	3.9%
8.46 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
65 g	Charles Faram - Cascade UK65 g Cascade UK Hops	Pellet	7	Boil	60 min	42.76	52%
35 g	Charles Faram - Cascade UK35 g Cascade UK Hops	Pellet	7	Boil	25 min	16.01	28%
25 g	Artisan - Cascade25 g Cascade Hops	Pellet	5.8	Boil	10 min	4.94	20%
125 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
100 g	Charles Faram - Cascade UK (Pellet) 100 g Cascade UK (Pellet) Hops	58.77	80%
25 g	Artisan - Cascade (Pellet) 25 g Cascade (Pellet) Hops	4.94	20%
125 g / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
22 L	Infusion	70 °C	64 °C	60 min
	Temperature	64 °C	70 °C	10 min
	Temperature	70 °C	75 °C	--
10 L	Sparge	80 °C	80 °C	20 min
Starting Mash Thickness: 2 L/kg Starting Grain Temp: 20 °C

Yeast

Fermentis - Safale - English Ale Yeast S-04

Amount:	4 Liters	Cost:
Attenuation (avg):	75%	Flocculation:	High
Optimum Temp:	12 - 25 °C	Starter:	Yes
Fermentation Temp:	18 °C	Pitch Rate:	1.0 (M cells / ml / ° P) 430 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.65 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
49	8.8	31	51	43	5
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

451

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Brews

Public: Yup, Shared
Last Updated: 2025-10-21 15:36 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost $	Cost %
Fermentables	$
Steeping Grains (Extract Only)	$
Hops	$
Yeast	$
Other	$
Cost Per Barrel	$ 0.00
Cost Per Pint	$ 0.00
Total Cost	$ 0.00

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