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H.W Stout

Method: All Grain
Style: Imperial Stout
Boil Time: 120 min
Batch Size: 310 gallons (fermentor volume)
Pre Boil Size: 311.25 gallons
Post Boil Size: 311.2 gallons
Pre Boil Gravity: 1.095 (recipe based estimate)
Post Boil Gravity: 1.102 (recipe based estimate)
Efficiency: 80% (brew house)
Hop Utilization: 98%
Calories: 339 calories (Per 12oz)
Carbs: 30.6 g (Per 12oz)

Created: Friday November 14th 2025

Original Gravity:

1.102

Final Gravity:

1.020

ABV (standard):

10.8%

IBU (tinseth):

35.8

SRM (morey):

39.2

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
550 lb	Rahr - Standard 2-Row550 lb Standard 2-Row	36.8	1.8	51%
165 lb	Rahr - White Wheat165 lb White Wheat	39.1	3.2	15.3%
110 lb	Munich - Light 10L110 lb Munich - Light 10L	33	10	10.2%
67 lb	Flaked Oats67 lb Flaked Oats	33	2.2	6.2%
34 lb	Caramel / Crystal 60L34 lb Caramel / Crystal 60L	34	60	3.2%
30 lb	American - Chocolate30 lb Chocolate	29	350	2.8%
30 lb	American - Roasted Barley30 lb Roasted Barley	33	300	2.8%
25 lb	United Kingdom - Extra Dark Crystal 120L25 lb Extra Dark Crystal 120L	33	120	2.3%
17 lb	German - Carafa III17 lb Carafa III	32	535	1.6%
50 lb	Corn Sugar - Dextrose50 lb Corn Sugar - Dextrose - (late boil kettle addition)	42	0.5	4.6%
1,078 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
3 lb	Magnum3 lb Magnum Hops	Pellet	15	Boil	60 min	28.8	37.5%
3 lb	Willamette3 lb Willamette Hops	Pellet	4.5	Boil	15 min	4.29	37.5%
2 lb	Cascade2 lb Cascade Hops	Pellet	7	Whirlpool	0 min	2.71	25%
8 lbs / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
3 lb	Magnum (Pellet)	28.8	37.5%
3 lb	Willamette (Pellet)	4.29	37.5%
2 lb	Cascade (Pellet)	2.71	25%
8 lbs / $ 0.00

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
385.5 gal	Strike	165 °F	155 °F	60 min
54.25 gal	Sparge	168 °F	168 °F	15 min
Starting Mash Thickness: 1.5 qt/lb Starting Grain Temp: 65 °F

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	2 Each	Cost:
Attenuation (avg):	81%	Flocculation:	Medium
Optimum Temp:	54 - 77 °F	Starter:	No
Fermentation Temp:	68 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 9941 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

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

Views

Brews

Public: Yup, Shared
Last Updated: 2025-11-14 20:00 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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