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House Imperial Stout

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 8.36 gallons
Post Boil Size: 6.5 gallons
Pre Boil Gravity: 1.093 (recipe based estimate)
Post Boil Gravity: 1.120 (recipe based estimate)
Efficiency: 57% (brew house)
Source: SN Narwhal
Calories: 401 calories (Per 12oz)
Carbs: 37 g (Per 12oz)

Created: Saturday December 22nd 2018

Firestone Walker Parabola Imperial Stout -Dustin Kral Head Brewer

by Boozy Mcboozerson

OG: 1.129 FG: 1.036 ABV: 14.3% IBU: 64

SN Narwhal Clone

by Head First

OG: 1.102 FG: 1.021 ABV: 10.6% IBU: 53

Original Gravity:

1.120

Final Gravity:

1.025

ABV (standard):

12.5%

IBU (tinseth):

61.2

SRM (morey):

50.0

Mash pH

5.6

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
28 lb	US - Pale 2-Row28 lb Pale 2-Row	37	1.8	88.2%
1 lb	American - Chocolate1 lb Chocolate	29	350	3.1%
1 lb	German - Carafa III1 lb Carafa III	32	535	3.1%
0.75 lb	American - Roasted Barley0.75 lb Roasted Barley	33	300	2.4%
0.50 lb	Caramel / Crystal 60L0.5 lb Caramel / Crystal 60L	34	60	1.6%
0.50 lb	Honey Malt0.5 lb Honey Malt	37	25	1.6%
31.75 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1.25 oz	Perle1.25 oz Perle Hops	Pellet	8.2	Boil	60 min	24.01	41.7%
1 oz	Magnum1 oz Magnum Hops	Leaf/Whole	15	Boil	60 min	31.94	33.3%
0.75 oz	Perle0.75 oz Perle Hops	Pellet	8.2	Boil	10 min	5.22	25%
3 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
2 oz	Perle (Pellet) 1.9999999954251 oz Perle (Pellet) Hops	29.23	66.7%
1 oz	Magnum (Leaf/Whole)	31.94	33.3%
3 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
12.4619 gal		Strike	163 °F	155 °F	60 min
Starting Mash Thickness: 1.57 qt/lb Starting Grain Temp: 65 °F

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	2 Each	Cost:
Attenuation (avg):	81%	Flocculation:	Medium
Optimum Temp:	54 - 77 °F	Starter:	Yes
Fermentation Temp:	68 °F	Pitch Rate:	1.0 (M cells / ml / ° P) 584 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 0 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Mash Chemistry and Brewing Water Calculator

Notes

This is an attempt at Sierra Nevada Narwhal. I'll bottle it and drink some fresh and oak/bourbon some for aging.

From the Sierra Nevada Web Site:

Alcohol Content 10.2% by volume
Beginning gravity 24.2° plato (1.102)
Ending Gravity 6.6° plato (1.026)
Bitterness Units 60

Last Updated and Sharing

1,362

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Brews

Public: Yup, Shared
Last Updated: 2023-01-25 03:19 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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