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Solera imperial Stout Auto Scaled Down

Method: All Grain
Style: Imperial Stout
Boil Time: 90 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 6.6 gallons
Post Boil Size: 5.6 gallons
Pre Boil Gravity: 1.065 (recipe based estimate)
Post Boil Gravity: 1.087 (recipe based estimate)
Efficiency: 65% (brew house)
Source: Lakewood Fermentation Club
Hop Utilization: 84%
Calories: 292 calories (Per 12oz)
Carbs: 32.2 g (Per 12oz)

Created: Monday October 20th 2025

North Coast Old Rasputin Russian Imperial Stout Clone

by Bay Brewing

OG: 1.093 FG: 1.020 ABV: 9.6% IBU: 39

Original Gravity:

1.087

Final Gravity:

1.025

ABV (standard):

8.1%

IBU (tinseth):

47.5

SRM (morey):

35.1

Mash pH

5.5

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
10.91 lb	Briess - Pale Ale Malt 2-Row10.91 lb Pale Ale Malt 2-Row	36.8	3.5	63.1%
2.73 lb	Flaked Oats2.73 lb Flaked Oats	33	2.2	15.8%
10 oz	American - Carapils (Dextrine Malt)10 oz Carapils (Dextrine Malt)	33	1.8	3.6%
7.27 oz	American - Midnight Wheat Malt7.27 oz Midnight Wheat Malt	33	550	2.6%
7.27 oz	American - Chocolate7.27 oz Chocolate	29	350	2.6%
5 oz	American - Caramel / Crystal 120L5 oz Caramel / Crystal 120L	33	120	1.8%
1.82 lb	Muntons - Light Dry Malt Extract (DME)1.82 lb Light Dry Malt Extract (DME)	42	4.3	10.5%
276.90 oz / $ 0.00

Hops Summary

Amount	Variety	Cost	IBU	Bill %
1.36 oz	Northern Brewer (Pellet)		34.9	42.9%
1.82 oz	East Kent Goldings (Pellet)		12.58	57.1%

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
5 gal		Strike	166 °F	157 °F	60 min
1.45 gal	Vorlauf	Infusion	212 °F	170 °F	10 min
2.18 gal		Fly Sparge	168 °F	168 °F	45 min
Starting Mash Thickness: 1.3 qt/lb Starting Grain Temp: 68 °F

Other Ingredients

Amount	Name	Type	Use	Time
0.91 tsp	Yeast Nutrient	Other	Boil	15 min.
0.91 tsp	Irish Moss	Fining	Boil	15 min.
0.45 each	Campden Tablets	Water Agt	Other	0 min.
9.09 g	Calcium Chloride (anhydrous)	Water Agt	Other	0 min.
2.73 g	Gypsum	Water Agt	Other	0 min.

Yeast

Fermentis - Safale - English Ale Yeast S-04

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	High
Optimum Temp:	54 - 77 °F	Starter:	Yes
Fermentation Temp:	66 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 138 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.75 Volumes

Target Water Profile

Bancroft-Clover

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
193	6.4	67.2	152.2	96.2	215.9
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2025-10-20 21:02 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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