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American Imperial Extra Oatmeal Stout

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 60 min
Batch Size: 5.25 gallons (fermentor volume)
Pre Boil Size: 7.06 gallons
Post Boil Size: 5.5 gallons
Pre Boil Gravity: 1.082 (recipe based estimate)
Post Boil Gravity: 1.105 (recipe based estimate)
Efficiency: 65% (brew house)
Hop Utilization: 97%
Calories: 353 calories (Per 12oz)
Carbs: 38.7 g (Per 12oz)

Created: Sunday January 15th 2023

Cigar City Hunahpu Clone

OG: 1.128 FG: 1.042 ABV: 11.3% IBU: 78

The Abyss Clone

by fboyle

OG: 1.108 FG: 1.036 ABV: 9.4% IBU: 64

House Imperial Stout

by ChicoBrewer

OG: 1.120 FG: 1.025 ABV: 12.5% IBU: 61

Original Gravity:

1.105

Final Gravity:

1.030

ABV (alternate):

11.1%

IBU (tinseth):

74.8

SRM (morey):

50.0

Mash pH

5.6

Cost $

43.44

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
10 lb	Briess - Brewers Malt 2-Row10 lb Brewers Malt 2-Row	$ 1.30 / lb $ 13.00	37	1.8	41.3%
5.50 lb	Avangard - Pilsner5.5 lb Pilsner	$ 1.10 / lb $ 6.03	37.3	1.7	22.7%
3 lb	Flaked Oats3 lb Flaked Oats	$ 2.99 / lb $ 8.97	33	2.2	12.4%
1.20 lb	The Swaen - BlackSwaen Chocolate B1.2 lb BlackSwaen Chocolate B	$ 2.59 / lb $ 3.11	34.5	338	5%
1.20 lb	American - Caramel / Crystal 120L1.2 lb Caramel / Crystal 120L	$ 2.09 / lb $ 2.51	33	120	5%
1.20 lb	United Kingdom - Roasted Barley1.2 lb Roasted Barley	$ 2.09 / lb $ 2.51	29	550	5%
0.60 lb	United Kingdom - Black Patent0.6 lb Black Patent	$ 2.39 / lb $ 1.43	27	525	2.5%
1.50 lb	Simpsons - Golden Naked Oats1.5 lb Golden Naked Oats	$ 3.39 / lb $ 5.09	27	7	6.2%
24.20 lbs / $ 42.65

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
1.60 oz	Yakima Valley Hops - Warrior1.6 oz Warrior Hops	$ 0.31 / oz $ 0.50	Pellet	17.7	Boil	60 min	74.81	100%
1.60 oz / $ 0.50

Show Summary View

Amount	Variety	Cost	IBU	Bill %
1.60 oz	Yakima Valley Hops - Warrior (Pellet)	$ 0.31 / oz $ 0.50	74.81	100%
1.60 oz / $ 0.50

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
7.26 gal	Strike	168 °F	154 °F	60 min
3.08 gal	Sparge	168 °F	168 °F	15 min
Starting Mash Thickness: 1.2 qt/lb Starting Grain Temp: 65 °F

Other Ingredients

Amount	Name	Cost	Type	Use	Time
4 g	Ascorbic Acid	$ 0.05 / g $ 0.19	Water Agt	Mash	0 min.
0.50 tsp	BSG - Fermax Yeast Nutrient	$ 1.25 / oz $ 0.10	Other	Boil	10 min.
7 ml	Lactic acid		Water Agt	Mash	0 min.
1.50 tsp	Irish Moss		Fining	Mash	10 min.
$ 0.30

Yeast

Imperial Yeast - A10 Darkness

Amount:	1 Each	Cost:
Attenuation (custom):	72%	Flocculation:	Medium
Optimum Temp:	62 - 72 °F	Starter:	Yes
Fermentation Temp:	68 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 173 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 18.21 psi Temp: 68 °F CO₂ Level: 1.9 Volumes

Target Water Profile

Garage hydrant w/ RV filter

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

Notes

2nd iteration. Doubled the flaked oats and added 1.5 lb Naked Golden oats.
Toast 1 lb. of the flaked oats at 300F for extra flavor & nuttiness.
Vanilla, coffee, oak, or bourbon would be great additions.

Last Updated and Sharing

357

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Brews

Public: Yup, Shared
Last Updated: 2023-02-10 00:43 UTC

System Default

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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