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Imperial Peated bourbon Stout

Method: All Grain
Style: Imperial Stout
Boil Time: 120 min
Batch Size: 35 liters (fermentor volume)
Pre Boil Size: 47 liters
Post Boil Size: 37 liters
Pre Boil Gravity: 1.077 (recipe based estimate)
Post Boil Gravity: 1.102 (recipe based estimate)
Efficiency: 65% (brew house)
Hop Utilization: 94%
Calories: 317 calories (Per 330ml)
Carbs: 31.3 g (Per 330ml)

Created: Saturday January 3rd 2026

Original Gravity:

1.102

Final Gravity:

1.024

ABV (standard):

10.2%

IBU (tinseth):

88.7

SRM (morey):

39.6

Mash pH

5.4

Cost $

39.59

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
5 kg	Les Maltiers - Pale Ale Malt5 kg Pale Ale Malt	$ 0.91 / kg $ 4.55	37	2.8	27.8%
5 kg	Les Maltiers - Jehanne D’Arc Pilsen Malt5 kg Jehanne D’Arc Pilsen Malt	$ 0.91 / kg $ 4.55	37.3	2.06	27.8%
2.50 kg	Castle Malting - Château Smoked (Malta Ahumada)2.5 kg Château Smoked (Malta Ahumada)	$ 3.20 / kg $ 8.00	35.4	2.06	13.9%
0.50 kg	Castle Malting - Château Roasted Barley0.5 kg Château Roasted Barley		30	432	2.8%
0.50 kg	Weyermann - Carafa I0.5 kg Carafa I	$ 2.66 / kg $ 1.33	32	340	2.8%
0.50 kg	Maltodextrin0.5 kg Maltodextrin - (late boil kettle addition)		39	0	2.8%
1 kg	Weyermann - Caramunich Type 21 kg Caramunich Type 2	$ 3.43 / kg $ 3.43	34	45	5.6%
3 kg	Castle Malting - Château Munich3 kg Château Munich	$ 2.31 / kg $ 6.93	34	12.7	16.7%
18 kg / $ 28.79

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
50 g	Magnum50 g Magnum Hops	Pellet	15	Boil	90 min	43.09	33.3%
50 g	Magnum50 g Magnum Hops	Pellet	15	Boil	30 min	30.96	33.3%
50 g	Azacca50 g Azacca Hops	Pellet	15	Boil	10 min	14.61	33.3%
150 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
100 g	Magnum (Pellet) 100 g Magnum (Pellet) Hops	74.05	66.6%
50 g	Azacca (Pellet) 50 g Azacca (Pellet) Hops	14.61	33.3%
150 g / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
45 L	Infusion	75 °C	68 °C	70 min
30 L	Fly Sparge	72 °C	72 °C	--
Starting Mash Thickness: 2.5 L/kg Starting Grain Temp: 14 °C

Other Ingredients

Amount	Name	Type	Use	Time
0.30 g	Yeast Nutrient	Other	Boil	5 min.
1.50 g	Whirlfloc tablet	Water Agt	Mash	0 min.
4 ml	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
4 g	Gypsum	Water Agt	Mash	1 hr.
3 g	Salt	Water Agt	Mash	1 hr.
14.32 ml	Lactic acid	Water Agt	Mash	1 hr.
8.84 ml	Lactic acid	Water Agt	Sparge	1 hr.

Yeast

Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST

Amount:	2 Each	Cost:	$ 3.85 / each $ 7.70
Attenuation (avg):	80%	Flocculation:	High
Optimum Temp:	10 - 22 °C	Starter:	No
Fermentation Temp:	18 °C	Pitch Rate:	0.35 (M cells / ml / ° P) 297 B cells required

Fermentis - Safale - American Ale Yeast US-05

Amount:	1 Each	Cost:	$ 3.10 / each $ 3.10
Attenuation (avg):	81%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	18 °C	Pitch Rate:	0.35 (M cells / ml / ° P) 297 B cells required

$ 10.80 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 1.57 bar Temp: 12 °C CO₂ Level: 2.75 Volumes

Target Water Profile

London (Porter, dark ales)

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
100	5	35	60	50	265
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-01-03 17:50 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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