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Imperial stout

Method: All Grain
Style: Imperial Stout
Boil Time: 120 min
Batch Size: 186 gallons (fermentor volume)
Pre Boil Size: 200 gallons
Post Boil Size: 186 gallons
Pre Boil Gravity: 1.077 (recipe based estimate)
Post Boil Gravity: 1.083 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Sean Parker
Calories: 275 calories (Per 12oz)
Carbs: 25.5 g (Per 12oz)

Created: Monday December 13th 2021

Original Gravity:

1.083

Final Gravity:

1.017

ABV (standard):

8.6%

IBU (tinseth):

47.2

SRM (morey):

37.0

Mash pH

7.9

Cost $

22.39

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
550 lb	Simpsons - Finest Pale Ale Golden Promise550 lb Finest Pale Ale Golden Promise		37	2.4	89.7%
25 lb	American - Roasted Barley25 lb Roasted Barley		33	300	4.1%
20 lb	American - Chocolate20 lb Chocolate		29	350	3.3%
8 lb	American - Black Barley8 lb Black Barley		27	530	1.3%
10 lb	Rice Hulls10 lb Rice Hulls	$ 1.74 / lb $ 17.40	0	0	1.6%
613 lbs / $ 17.40

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
4 lb	Cascade4 lb Cascade Hops		Pellet	9.2	Boil	60 min	47.24	100%
4 lbs / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
4 lb	Cascade (Pellet)		47.24	100%
4 lbs / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
172 gal	Infusion	166 °F	154 °F	60 min
125 gal	Sparge	154 °F	168 °F	30 min
Starting Mash Thickness: 1.2 qt/lb Starting Grain Temp: 68 °F

Other Ingredients

Amount	Name	Type	Use	Time
186 g	Calcium Chloride (anhydrous)	Water Agt	Boil	0 min.
186 g	Gypsum	Water Agt	Boil	0 min.
186 oz	Calcium Carbonate	Water Agt	Mash	0 min.
5 oz	Lactic acid	Water Agt	Sparge	0 min.
6 oz	Nutromix	Other	Boil	10 min.
18 each	Whirlfloc	Fining	Boil	10 min.

Yeast

Lallemand - LALBREW® VOSS KVEIK ALE YEAST

Amount:	1 Each	Cost:	$ 4.99 / each $ 4.99
Attenuation (avg):	80%	Flocculation:	High
Optimum Temp:	77 - 104 °F	Starter:	No
Fermentation Temp:	100 °F	Pitch Rate:	1.0 (M cells / ml / ° P) 14086 B cells required

$ 4.99 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 CO₂ Level: 2.44 Volumes

Target Water Profile

Reverse Osmosis

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

Notes

Brewed at Mahalo Aleworks, Maui, HI

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2025-05-31 17:33 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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