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20C.Imperial Stout

Method: All Grain
Style: Imperial Stout
Boil Time: 80 min
Batch Size: 20 liters (fermentor volume)
Pre Boil Size: 24 liters
Post Boil Size: 21 liters
Pre Boil Gravity: 1.086 (recipe based estimate)
Post Boil Gravity: 1.098 (recipe based estimate)
Efficiency: 72% (brew house)
Calories: 302 calories (Per 330ml)
Carbs: 26.4 g (Per 330ml)

Created: Wednesday October 18th 2017

Swing The Axe

by FRLinux

OG: 1.094 FG: 1.021 ABV: 9.7% IBU: 25

Original Gravity:

1.098

Final Gravity:

1.018

ABV (standard):

10.6%

IBU (tinseth):

20.9

SRM (morey):

50.0

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3.50 kg	German - Pale Ale3.5 kg Pale Ale	39	2.3	40%
3.50 kg	Simpsons - Maris Otter pale3.5 kg Maris Otter pale	38	2.4	40%
0.25 kg	American - Midnight Wheat Malt0.25 kg Midnight Wheat Malt	33	550	2.9%
0.25 kg	German - CaraMunich II0.25 kg CaraMunich II	34	46	2.9%
0.25 kg	German - CaraAroma0.25 kg CaraAroma	34	130	2.9%
0.25 kg	German - CaraMunich II0.25 kg CaraMunich II	34	46	2.9%
0.25 kg	German - CaraMunich III0.25 kg CaraMunich III	34	57	2.9%
0.25 kg	Weyermann - Chocolate Wheat0.25 kg Chocolate Wheat	34.8	415	2.9%
0.25 kg	Briess - Blackprinz Malt0.25 kg Blackprinz Malt	25	500	2.9%
8.75 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
28 g	Yakima Valley Hops - Amarillo28 g Amarillo Hops	Pellet	7.9	Boil	25 min	14.13	33.3%
28 g	Yakima Valley Hops - Citra28 g Citra Hops	Pellet	13.2	Boil	5 min	6.77	33.3%
28 g	Yakima Valley Hops - El Dorado28 g El Dorado Hops	Pellet	13.5	Boil	0 min		33.3%
84 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
28 g	Yakima Valley Hops - Amarillo (Pellet) 28 g Amarillo (Pellet) Hops	14.13	33.3%
28 g	Yakima Valley Hops - Citra (Pellet) 28 g Citra (Pellet) Hops	6.77	33.3%
28 g	Yakima Valley Hops - El Dorado (Pellet) 28 g El Dorado (Pellet) Hops		33.3%
84 g / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
	Fly Sparge	66 °C	66 °C	60 min
		66 °C	78 °C	20 min
Starting Mash Thickness: 3.65 L/kg

Yeast

Lallemand - LALBREW® VOSS KVEIK ALE YEAST

Amount:	1 Each	Cost:
Attenuation (avg):	80%	Flocculation:	High
Optimum Temp:	25 - 40 °C	Starter:	No
Fermentation Temp:	35 °C	Pitch Rate:	0.35 (M cells / ml / ° P) 163 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 3.25 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Mash Chemistry and Brewing Water Calculator

Notes

Last Updated and Sharing

3,269

Views

Brews

Public: Yup, Shared
Last Updated: 2026-05-15 08:50 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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