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Imperial Stout

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 25 liters (ending kettle volume)
Pre Boil Size: 29.5 liters
Pre Boil Gravity: 1.088 (recipe based estimate)
Efficiency: 65% (ending kettle)
Calories: 320 calories (Per 330ml)
Carbs: 31.4 g (Per 330ml)

Created: Sunday October 13th 2019

Original Gravity:

1.103

Final Gravity:

1.024

ABV (standard):

10.5%

IBU (tinseth):

67.0

SRM (morey):

50.0

Mash pH

5.5

Cost €

n/a

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Fermentation History

Target 18°C
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Attenuation: {{ stats.attenuation | number:2 }}%

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Carbs: {{ stats.carbs | number:1 }} g / 330ml

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Device Filter
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Fermentables

Amount	Fermentable	PPG	°L	Bill %
1.30 kg	United Kingdom - Flaked Torredied Oats	33	3.2	9.8%
9 kg	Crisp Malting - Maris Otter Pale9 kg Maris Otter Pale	38	3.75	67.7%
0.75 kg	Weyermann - Roasted Barley0.75 kg Roasted Barley	25	450	5.6%
0.50 kg	Belgian - Special B0.5 kg Special B	34	115	3.8%
0.50 kg	Crisp Malting - Light Crystal (Crystal 150)0.5 kg Light Crystal (Crystal 150)	35	65	3.8%
0.50 kg	Crisp Malting - United Kingdom - Brown Malt0.5 kg United Kingdom - Brown Malt	32.7	65	3.8%
0.75 kg	Weyermann - German - Carafa Special Type II0.75 kg German - Carafa Special Type II	29.9	525	5.6%
13.30 kg / 0.00 €

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
150 g	Challenger (5.1 AA) / 80 Grams	Pellet	5.1	Boil	60 min	55.34	60%
50 g	East Kent Goldings (4 AA) / 100 Grams	Pellet	4	Boil	20 min	8.76	20%
50 g	East Kent Goldings (4 AA) / 100 Grams	Pellet	4	Boil	5 min	2.88	20%
250 g / 0.00 €

Show Summary View

Amount	Variety	IBU	Bill %
150 g	Challenger (5.1 AA) / 80 Grams (Pellet)	55.34	60%
100 g	East Kent Goldings (4 AA) / 100 Grams (Pellet)	11.64	40%
250 g / 0.00 €

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
19.7 L	mash-in 1	Strike	40 °C	40 °C	10 min
	mash 1	Infusion	66 °C	66 °C	90 min
	mash-out 1	Infusion	75 °C	75 °C	10 min
9 L	sparge 1	Fly Sparge	75 °C	75 °C	10 min
	mash-in 2	Strike	40 °C	40 °C	10 min
	mash 2	Infusion	66 °C	66 °C	90 min
	mash-out 2	Infusion	75 °C	75 °C	10 min
11.4 L	sparge 2	Fly Sparge	75 °C	75 °C	10 min
Starting Mash Thickness: 2.7 L/kg Starting Grain Temp: 18 °C

Other Ingredients

Amount	Name	Type	Use	Time
4 g	Baking Soda	Water Agt	Mash	1 hr.
4 g	Slaked Lime	Water Agt	Mash	1 hr.
3 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
3 g	Gypsum	Water Agt	Mash	1 hr.
2 g	Antioxin SBT	Water Agt	Mash	0 min.
1 each	Protafloc	Fining	Boil	10 min.
2 g	Beer Nutrient	Other	Boil	10 min.

Yeast

Wyeast - London Ale 1028

Amount:	2 Each	Cost:
Attenuation (avg):	75%	Flocculation:	Med-Low
Optimum Temp:	16 - 22 °C	Starter:	Yes
Fermentation Temp:	18 °C	Pitch Rate:	1.0 (M cells / ml / ° P) 611 B cells required

0.00 € Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2,2 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

Mash 1 https://www.brewersfriend.com/mash-chemistry-and-brewing-water-calculator/?id=XHX5RMG
4.5kg maris otter, special B, Crystal 150, brown malt

mash 2 rest of grains

Last Updated and Sharing

832

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Brews

Public: Yup, Shared
Last Updated: 2019-12-06 16:38 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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Imperial Stout

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