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1 Gal Chocolate Imperial Stout

Method: All Grain
Style: Imperial Stout
Boil Time: 90 min
Batch Size: 1.25 gallons (fermentor volume)
Pre Boil Size: 1.96 gallons
Post Boil Size: 1.38 gallons
Pre Boil Gravity: 1.055 (recipe based estimate)
Post Boil Gravity: 1.077 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Stephen Stanley
Hop Utilization: 82%
Calories: 257 calories (Per 12oz)
Carbs: 28.5 g (Per 12oz)

Created: Friday September 1st 2023

Original Gravity:

1.077

Final Gravity:

1.022

ABV (alternate):

7.8%

IBU (tinseth):

28.1

SRM (morey):

50.0

Mash pH

5.5

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
2.88 lb	United Kingdom - Maris Otter Pale2.88 lb Maris Otter Pale	38	3.75	75.4%
0.20 lb	United Kingdom - Chocolate0.2 lb Chocolate	34	425	5.2%
0.27 lb	Thomas Fawcett - Pale Chocolate Malt0.27 lb Pale Chocolate Malt	32.2	230	7.1%
0.24 lb	American - Black Malt0.24 lb Black Malt	28	500	6.3%
0.23 lb	United Kingdom - Roasted Barley0.23 lb Roasted Barley	29	550	6%
3.82 lbs / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
14.80 g	Willamette14.8 g Willamette Hops		Pellet	4.5	Boil	60 min	28.12	100%
14.80 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
14.80 g	Willamette (Pellet) 14.8 g Willamette (Pellet) Hops		28.12	100%
14.80 g / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
1.4 gal	Strike	163 °F	152 °F	60 min
1 gal	Fly Sparge	152 °F	170 °F	10 min
Starting Mash Thickness: 1.5 qt/lb Starting Grain Temp: 72 °F

Other Ingredients

Amount	Name	Type	Use	Time
0.25 each	Whirlfloc	Water Agt	Mash	10 min.
0.50 g	Epsom Salt	Water Agt	Mash	1 hr.
0.80 g	Gypsum	Water Agt	Mash	1 hr.
1.90 g	Salt	Water Agt	Mash	1 hr.
3.10 g	Baking Soda	Water Agt	Mash	1 hr.
0.96 ml	Lactic acid	Water Agt	Mash	1 hr.
0.80 g	Chalk	Water Agt	Mash	1 hr.

Yeast

Danstar - London ESB Yeast

Amount:	1 Each	Cost:
Attenuation (avg):	70%	Flocculation:	Low
Optimum Temp:	65 - 72 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 31 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.9 Volumes

Target Water Profile

London-Wells - Brungard

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
20	5	175	125	65	260
Mash Chemistry and Brewing Water Calculator

Notes

This recipe is designed to make a chocolate imperial stout to layer other flavors over.

Last Updated and Sharing

441

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Brews

Public: Yup, Shared
Last Updated: 2023-09-19 16:44 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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