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The Threshing Floor (Russian Imperial Stout)

Method: BIAB
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 25 liters (fermentor volume)
Pre Boil Size: 30 liters
Post Boil Size: 25 liters
Pre Boil Gravity: 1.092 (recipe based estimate)
Post Boil Gravity: 1.111 (recipe based estimate)
Efficiency: 70% (brew house)
Rating:

4.00 (1 Review)

No Chill: 20 minute extended hop boil time
Calories: 343 calories (Per 330ml)
Carbs: 29.6 g (Per 330ml)

Created: Tuesday February 23rd 2021

Original Gravity:

1.111

Final Gravity:

1.020

ABV (standard):

11.9%

IBU (tinseth):

79.1

SRM (morey):

50.0

Mash pH

5.2

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
6 kg	Gladfield - American Ale Malt6 kg American Ale Malt	37.3	2.54	49.5%
0.45 kg	Gladfield - Roast Barley0.45 kg Roast Barley	32.7	507	3.7%
0.45 kg	Crisp Malting - Black0.45 kg Black	34.5	600	3.7%
0.45 kg	Gladfield - Dark Chocolate Malt0.45 kg Dark Chocolate Malt	32.7	488	3.7%
0.38 kg	Gladfield - Dark Crystal Malt0.38 kg Dark Crystal Malt	35.4	96.45	3.1%
0.38 kg	Gladfield - Shepherds Delight Malt0.38 kg Shepherds Delight Malt	35.4	120	3.1%
1 kg	Brown Sugar1 kg Brown Sugar	45	15	8.3%
3 kg	Voyager Craft Malt - Pale Compass3 kg Pale Compass	38.1	2.79	24.8%
12.11 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
40 g	Magnum40 g Magnum Hops	Pellet	15	Boil	90 min	45.21	40%
30 g	Magnum30 g Magnum Hops	Pellet	15	Boil	20 min	27.4	30%
30 g	Magnum30 g Magnum Hops	Pellet	15	Hop Stand at 90 °C	15 min	6.48	30%
100 g / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
100 g	Magnum (Pellet) 100 g Magnum (Pellet) Hops		79.09	100%
100 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
20 L		Temperature	68 °C	68 °C	70 min
15 L		Batch Sparge	68 °C	68 °C	20 min

Other Ingredients

Amount	Name	Type	Use	Time
1 each	Whirlfloc tablet	Flavor	Boil	10 min.
10 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
2 g	Gypsum	Water Agt	Mash	1 hr.

Yeast

Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST

Amount:	3 Each	Cost:
Attenuation (avg):	80%	Flocculation:	High
Optimum Temp:	10 - 22 °C	Starter:	No
Fermentation Temp:	18 °C	Pitch Rate:	0.35 (M cells / ml / ° P) 229 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^-
120	4	4	19	52	0
Brisbane water, added 12 g of CaCl2 2 g CaSO4
Mash Chemistry and Brewing Water Calculator

Notes

Going to leave in primary for 3 months to settle and mature. Water left out overnight to reduce chlorine content.

Delicious beer, super rich in flavour, very boozy. Looking forward to seeing what it is like in a few months.

Last Updated and Sharing

470

Views

Brews

Public: Yup, Shared
Last Updated: 2021-10-15 06:03 UTC

System Default

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

Discussion about this recipe:

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CrabbyPatty • 04/07/2022 at 08:45am

4 of 5

Was a great straight up RIS, rich and malty, no astringency noticeable.

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