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Imperial Stout

Method: Partial Mash
Style: Russian Imperial Stout
Boil Time: 60 min
Batch Size: 6 gallons (fermentor volume)
Pre Boil Size: 6.5 gallons
Post Boil Size: 6 gallons
Pre Boil Gravity: 1.018 (recipe based estimate)
Post Boil Gravity: 1.096 (recipe based estimate)
Efficiency: 75% (brew house)
Source: Allyn Kratz
Calories: 326 calories (Per 12oz)
Carbs: 41.3 g (Per 12oz)

Created: Friday January 30th 2026

Original Gravity:

1.096

Final Gravity:

1.035

ABV (standard):

8.0%

IBU (tinseth):

39.0

SRM (morey):

39.5

Mash pH

n/a

Cost $

95.88

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
6.60 lb	Liquid Malt Extract - Amber6.6 lb Liquid Malt Extract - Amber - (late boil kettle addition)	$ 4.85 / lb $ 32.01	35	10	38.4%
6.60 lb	Liquid Malt Extract - Light6.6 lb Liquid Malt Extract - Light - (late boil kettle addition)	$ 4.85 / lb $ 32.01	35	4	38.4%
1 lb	Lactose (Milk Sugar)1 lb Lactose (Milk Sugar)	$ 6.99 / lb $ 6.99	41	1	5.8%
1 lb	United Kingdom - Chocolate1 lb Chocolate	$ 4.50 / lb $ 4.50	34	425	5.8%
0.50 lb	American - Roasted Barley0.5 lb Roasted Barley	$ 3.50 / lb $ 1.75	33	300	2.9%
0.50 lb	United Kingdom - Dark Crystal 80L0.5 lb Dark Crystal 80L	$ 3.25 / lb $ 1.63	33	80	2.9%
1 lb	Rolled Oats1 lb Rolled Oats	$ 0.75 / lb $ 0.75	33	2.2	5.8%
17.20 lbs / $ 79.64

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
1.50 oz	Cascade1.5 oz Cascade Hops	$ 3.50 / oz $ 5.25	Pellet	7	Boil at 206 °F	40 min	38.97	100%
1.50 oz / $ 5.25

Show Summary View

Amount	Variety	Cost	IBU	Bill %
1.50 oz	Cascade (Pellet)	$ 3.50 / oz $ 5.25	38.97	100%
1.50 oz / $ 5.25

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
6.5 gal		Sparge	158 °F	158 °F	30 min

Yeast

White Labs - Edinburgh Scottish Ale Yeast WLP028

Amount:	1 Each	Cost:	$ 10.99 / each $ 10.99
Attenuation (avg):	72.5%	Flocculation:	Medium
Optimum Temp:	65 - 70 °F	Starter:	No
Fermentation Temp:	64 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 182 B cells required

$ 10.99 Yeast Pitch Rate and Starter Calculator

Priming

Method: dextrose Amount: 2.8 oz Temp: 68 °F CO₂ Level: 1.65 Volumes

Target Water Profile

Balanced Profile

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

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2026-01-30 19:38 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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