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Imperial Stout

Name: Imperial Stout
Prep time: 60 min
Cook time: 90 min
Total time: 150 min
Yield: 20.8 liters
Cuisine: Homebrewing
Ingredients: 5 kg Pale Ale Malt; 2 kg Munich Dark 20L; 0.5 kg Melanoidin; 0.5 kg Special B; 0.2 kg Chocolate; 0.2 kg CaraMunich II; 1 kg Flaked Oats; 0.2 kg Carafa III

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Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 20.8 liters (fermentor volume)
Pre Boil Size: 28.4 liters
Pre Boil Gravity: 1.065 (recipe based estimate)
Post Boil Gravity: 1.089 (recipe based estimate)
Efficiency: 65% (brew house)
Source: Darwin Viegas
Calories: 275 calories (Per 330ml)
Carbs: 27.4 g (Per 330ml)

Created: Wednesday May 27th 2026

Original Gravity:

1.089

Final Gravity:

1.021

ABV (standard):

8.9%

IBU (tinseth):

0.0

SRM (morey):

42.6

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
5 kg	Agrária - Pale Ale Malt5 kg Pale Ale Malt	37	2.8	52.1%
2 kg	Munich Dark 20L2 kg Munich Dark 20L	34	20	20.8%
0.50 kg	German - Melanoidin0.5 kg Melanoidin	37	25	5.2%
0.50 kg	Castle Malting - Special B0.5 kg Special B	34	150	5.2%
0.20 kg	American - Chocolate0.2 kg Chocolate	29	350	2.1%
0.20 kg	German - CaraMunich II0.2 kg CaraMunich II	34	46	2.1%
1 kg	Flaked Oats1 kg Flaked Oats	33	2.2	10.4%
0.20 kg	German - Carafa III0.2 kg Carafa III	32	535	2.1%
9.60 kg / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
30.24 L		Strike	73 °C	67 °C	60 min
Starting Mash Thickness: 3.15 L/kg Starting Grain Temp: 18 °C

Priming

CO₂ Level: 1.65 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

Last Updated and Sharing

111

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Brews

Public: Yup, Shared
Last Updated: 2026-07-20 01:42 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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