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Rube Goldberg stout

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 8 gallons (fermentor volume)
Pre Boil Size: 10.27 gallons
Post Boil Size: 8 gallons
Pre Boil Gravity: 1.123 (recipe based estimate)
Post Boil Gravity: 1.188 (recipe based estimate)
Efficiency: 60% (brew house)
Source: Scott
Calories: 640 calories (Per 12oz)
Carbs: 61.6 g (Per 12oz)

Created: Friday March 21st 2025

Original Gravity:

1.188

Final Gravity:

1.045

ABV (standard):

18.9%

IBU (tinseth):

43.7

SRM (morey):

50.0

Mash pH

5.3

Cost $

7.98

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
55 lb	United Kingdom - Maris Otter Pale55 lb Maris Otter Pale		38	3.75	74.3%
4 lb	German - Chocolate Rye4 lb German - Chocolate Rye - (late mash tun addition)		31	240	5.4%
2 lb	Weyermann - Carafa Special Type II2 lb Carafa Special Type II - (late mash tun addition)	$ 3.99 / lb $ 7.98	29.9	425	2.7%
5 lb	Briess - Blonde RoastOat Malt5 lb Blonde RoastOat Malt		34.5	6	6.8%
2 lb	German - Carafa III2 lb Carafa III - (late mash tun addition)		32	535	2.7%
4 lb	Rice Hulls4 lb Rice Hulls		0	0	5.4%
2 lb	American - Blackprinz2 lb Blackprinz - (late boil kettle addition)		36	500	2.7%
74 lbs / $ 7.98

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
2 oz	Northern Brewer2 oz Northern Brewer Hops	Pellet	7.8	Boil	60 min	19.31	33.3%
2 oz	Northern Brewer2 oz Northern Brewer Hops	Pellet	7.8	Boil	30 min	14.84	33.3%
2 oz	Northern Brewer2 oz Northern Brewer Hops	Pellet	7.8	Boil	15 min	9.58	33.3%
6 oz / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
6 oz	Northern Brewer (Pellet)		43.73	99.9%
6 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
18.5 gal		Strike	168 °F	152 °F	60 min
Starting Mash Thickness: 1 qt/lb Starting Grain Temp: 70 °F

Other Ingredients

Amount	Name	Cost	Type	Use	Time
0.39 ml/l	Lactic acid		Water Agt	Mash	0 min.

Yeast

CellarScience - English

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	High
Optimum Temp:	59 - 70 °F	Starter:	Yes
Fermentation Temp:	68 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 442 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.65 Volumes

Target Water Profile

London (Porter, dark ales)

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
28	9	53	60	49	114
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2025-05-24 04:43 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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