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Imperial Chocolate Stout

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 17.5 liters (fermentor volume)
Pre Boil Size: 25.5 liters
Post Boil Size: 20.9 liters
Pre Boil Gravity: 1.067 (recipe based estimate)
Post Boil Gravity: 1.082 (recipe based estimate)
Efficiency: 67% (brew house)
Source: Mr Jamie Stirk
Calories: 254 calories (Per 330ml)
Carbs: 25.7 g (Per 330ml)

Created: Wednesday May 27th 2020

Original Gravity:

1.082

Final Gravity:

1.020

ABV (standard):

8.1%

IBU (tinseth):

56.7

SRM (morey):

50.0

Mash pH

5.6

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
5 kg	United Kingdom - Maris Otter Pale5 kg Maris Otter Pale	38	3.75	69.9%
0.40 kg	New Zealand - Light Crystal Malt0.4 kg Light Crystal Malt	35.4	31.98	5.6%
0.40 kg	New Zealand - Medium Crystal Malt0.4 kg Medium Crystal Malt	35.4	56.35	5.6%
0.20 kg	New Zealand - Dark Chocolate Malt0.2 kg Dark Chocolate Malt	32.7	659.9	2.8%
0.20 kg	New Zealand - Light Chocolate Malt0.2 kg Light Chocolate Malt	32.7	456.85	2.8%
0.75 kg	Rolled Oats0.75 kg Rolled Oats	33	2.2	10.5%
0.20 kg	United Kingdom - Roasted Barley0.2 kg Roasted Barley - (late fermenter addition)	29	550	2.8%
7.15 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
10 g	Magnum10 g Magnum Hops	Pellet	15	Boil	90 min	19.96	25%
10 g	Magnum10 g Magnum Hops	Pellet	15	Boil	60 min	18.66	25%
10 g	Magnum10 g Magnum Hops	Pellet	15	Boil	30 min	14.34	25%
10 g	Magnum10 g Magnum Hops	Pellet	15	Boil	5 min	3.72	25%
40 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
40 g	Magnum (Pellet) 40 g Magnum (Pellet) Hops		56.68	100%
40 g / $ 0.00

Other Ingredients

Amount	Name	Type	Use	Time
3.50 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
3 g	Gypsum	Water Agt	Mash	1 hr.
4 g	Baking Soda	Water Agt	Mash	1 hr.

Yeast

White Labs - Opshaug Kveik Ale Yeast WLP518

Amount:	1 Each	Cost:
Attenuation (avg):	75%	Flocculation:	Medium
Optimum Temp:	25 - 30 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 121 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^-
100	5	35	60	50	265
Mash Chemistry and Brewing Water Calculator

Notes

Gravity: 14/07/30 = 1022@30.2 (1024)

After fermentation I added 20g of French Oak Chips (that were soaked in Irish Whiskey for 2 weeks) to the fermentor for 2 weeks.

Last Updated and Sharing

451

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Brews

Public: Yup, Shared
Last Updated: 2020-07-30 04:07 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

Other Brewers Who Brewed This Recipe:

Goo

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