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GS Oat Stout

Method: All Grain
Style: Oatmeal Stout
Boil Time: 60 min
Batch Size: 10.5 gallons (ending kettle volume)
Pre Boil Size: 12.25 gallons
Pre Boil Gravity: 1.046 (recipe based estimate)
Efficiency: 72% (ending kettle)
Source: Ash
Calories: 180 calories (Per 12oz)
Carbs: 20.4 g (Per 12oz)

Created: Tuesday January 13th 2026

Original Gravity:

1.054

Final Gravity:

1.016

ABV (standard):

5.0%

IBU (tinseth):

23.2

SRM (morey):

33.7

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
15 lb	Warminster Maltings - Maris Otter15 lb Maris Otter	36	3.5	67.4%
2 lb	Briess - Caramel Malt - 40L2 lb Caramel Malt - 40L	35.4	40	9%
1 lb	Briess - Caramel Malt - 120L1 lb Caramel Malt - 120L	34.5	120	4.5%
1.50 lb	The Swaen - BlackSwaen Chocolate B1.5 lb BlackSwaen Chocolate B	34.5	338	6.7%
12 oz	Briess - Roasted Barley12 oz Roasted Barley	33.1	300	3.4%
2 lb	Flaked Oats2 lb Flaked Oats	33	2.2	9%
22.25 lbs / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
45 g	Northern Brewer45 g Northern Brewer Hops		Pellet	7.8	Boil	60 min	23.17	100%
45 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
45 g	Northern Brewer (Pellet) 45 g Northern Brewer (Pellet) Hops		23.17	100%
45 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
7.9 gal		Strike	170 °F	158 °F	60 min
Starting Mash Thickness: 1.33 qt/lb Starting Grain Temp: 74 °F

Yeast

Fermentis - Safale - English Ale Yeast S-04

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	High
Optimum Temp:	54 - 77 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 185 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.2 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

Notes

Split
Chocolate or Coffee
Coconut

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2026-01-13 20:50 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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