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2020 Barrel Aged Imperial Stout

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 110 gallons (fermentor volume)
Pre Boil Size: 120 gallons
Post Boil Size: 110 gallons
Pre Boil Gravity: 1.132 (recipe based estimate)
Post Boil Gravity: 1.144 (recipe based estimate)
Efficiency: 74% (brew house)
Source: Stubborn German Brewing Company
Calories: 489 calories (Per 12oz)
Carbs: 53.5 g (Per 12oz)

Created: Monday January 26th 2015

Original Gravity:

1.144

Final Gravity:

1.042

ABV (standard):

13.4%

IBU (tinseth):

41.6

SRM (morey):

50.0

Mash pH

5.3

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
165 lb	Dry Malt Extract - Amber165 lb Dry Malt Extract - Amber	42	10	31.7%
125 lb	US - Pale 2-Row125 lb Pale 2-Row	37	1.8	24%
60 lb	Munich - Light 10L60 lb Munich - Light 10L	33	10	11.5%
54.54 lb	Flaked Oats54.54 lb Flaked Oats	33	2.2	10.5%
42 lb	German - De-Husked Caraf II42 lb De-Husked Caraf II	32	418	8.1%
30 lb	American - Caramel / Crystal 80L30 lb Caramel / Crystal 80L	33	80	5.8%
16.91 lb	American - Black Malt16.91 lb Black Malt	28	500	3.3%
15.60 lb	American - Caramel / Crystal 40L15.6 lb Caramel / Crystal 40L	34	40	3%
10.91 lb	United Kingdom - Roasted Barley10.91 lb Roasted Barley	29	550	2.1%
519.96 lbs / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
42 oz	Magnum42 oz Magnum Hops		Pellet	12	Boil	60 min	41.63	100%
42 oz / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
42 oz	Magnum (Pellet)		41.63	100%
42 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
		Infusion	--	156 °F	--
Starting Mash Thickness: 1.5 qt/lb

Yeast

White Labs - Edinburgh Scottish Ale Yeast WLP028

Amount:	1.09 Each	Cost:
Attenuation (avg):	72.5%	Flocculation:	Medium
Optimum Temp:	65 - 70 °F	Starter:	No
Fermentation Temp:	95 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 4814 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 0 Volumes

Target Water Profile

RO Water

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
Mash Chemistry and Brewing Water Calculator

Notes

Water:
60 Gypsum
45 Salt
30 CaCl
200 Chalk

Last Updated and Sharing

489

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Brews

Public: Yup, Shared
Last Updated: 2025-12-09 17:41 UTC

System Default

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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