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Imperial Chocolate Stout

Method: All Grain
Style: Imperial Stout
Boil Time: 60 min
Batch Size: 6 gallons (ending kettle volume)
Pre Boil Size: 8.5 gallons
Pre Boil Gravity: 1.070 (recipe based estimate)
Efficiency: 85% (ending kettle)
Source: Wade Bonner
Calories: 327 calories (Per 12oz)
Carbs: 33.1 g (Per 12oz)

Created: Thursday June 1st 2017

Original Gravity:

1.098

Final Gravity:

1.024

ABV (standard):

9.8%

IBU (tinseth):

56.6

SRM (morey):

39.7

Mash pH

5.6

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
15 lb	US - Pale 2-Row15 lb Pale 2-Row	37	1.8	77.7%
0.50 lb	American - Dark Chocolate0.5 lb Dark Chocolate	29	420	2.6%
2 lb	American - Caramel / Crystal 80L2 lb Caramel / Crystal 80L	33	80	10.4%
1 lb	Flaked Oats1 lb Flaked Oats	33	2.2	5.2%
5 oz	German - Carafa III5 oz Carafa III	32	535	1.6%
0.50 lb	American - Roasted Barley0.5 lb Roasted Barley	33	300	2.6%
19.31 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1 oz	Nugget1 oz Nugget Hops	Pellet	14.2	Boil	60 min	37.75	25%
1 oz	Willamette1 oz Willamette Hops	Pellet	4.4	Boil	30 min	8.99	25%
1 oz	Willamette1 oz Willamette Hops	Pellet	4.4	Boil	5 min	2.33	25%
1 oz	Nugget1 oz Nugget Hops	Pellet	14.2	Boil	5 min	7.53	25%
4 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
2 oz	Nugget (Pellet)	45.28	50%
2 oz	Willamette (Pellet)	11.32	50%
4 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
6 gal		Sparge	--	154 °F	60 min
Starting Mash Thickness: 1.5 qt/lb

Other Ingredients

Amount	Name	Type	Use	Time
4 oz	Cocoa Nibs	Flavor	Kegging	10 days
12 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
12 g	Gypsum	Water Agt	Mash	1 hr.
12 g	Baking Soda	Water Agt	Mash	1 hr.

Yeast

Imperial Yeast - A24 Dry Hop

Amount:	1 Each	Cost:
Attenuation (avg):	76%	Flocculation:	Medium
Optimum Temp:	64 - 74 °F	Starter:	Yes
Fermentation Temp:	67 °F	Pitch Rate:	1.25 (M cells / ml / ° P) 662 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.9 Volumes

Target Water Profile

Balanced Profile II

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
150	10	80	150	160	220
12 Gallons of RO water with 12 grams each of Gypsum, Calcium Chloride, and Baking Soda
Mash Chemistry and Brewing Water Calculator

Notes

Yeast Starter 4.5 L 16.3 oz Dark DME

Last Updated and Sharing

1,133

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Brews

Public: Yup, Shared
Last Updated: 2021-09-07 16:54 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

Other Brewers Who Brewed This Recipe:

Tex Beer Nerd

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