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(2015-01-23) Steel Cut Imperial Stout

359 calories
Method: All Grain
Style: Russian Imperial Stout
Boil Time: 120 min
Batch Size: 6 gallons (fermentor volume)
Pre Boil Size: 9 gallons
Pre Boil Gravity: 17.6 °P (recipe based estimate)
Efficiency: 75% (brew house)
Calories: 359 calories (Per 12oz)
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25.6 °P
4.6 °P
Amount Fermentable PPG °L Bill %
16 lb United Kingdom - Golden Promise16 lb Golden Promise 37 3 65.3%
1.5 lb Belgian - Special B1.5 lb Special B 34 115 6.1%
1.5 lb United Kingdom - Chocolate1.5 lb Chocolate 34 425 6.1%
1.5 lb United Kingdom - Roasted Barley1.5 lb Roasted Barley 29 550 6.1%
1 lb American - Caramel / Crystal 40L1 lb Caramel / Crystal 40L 34 40 4.1%
1 lb United Kingdom - Golden Naked Oats1 lb Golden Naked Oats 33 10 4.1%
0.5 lb United Kingdom - Black Patent0.5 lb Black Patent 27 525 2%
1.5 lb Rolled Oats1.5 lb Rolled Oats 33 2.2 6.1%
24.5 lb Total      
Amount Variety Type AA Use Time IBU
3 oz Brewer's Gold3 oz Brewer's Gold Hops Pellet 6 Mash   9.3
2 oz Warrior2 oz Warrior Hops Pellet 13 Boil 90 min 72.1
Mash Guidelines
Amount Description Type Temp Time
--Beta SaccTemperature148 °F45 min
--Alpha SaccTemperature156 °F45 min
--Mash-OutTemperature168 °F15 min
Starting Mash Thickness: 1.5 qt/lb
Attenuation (avg):
Optimum Temp:
54 - 77 °F
Yeast Pitch Rate and Starter Calculator
WY1084 Slurry
Attenuation (avg):
Optimum Temp:
0 - 0 °F
Yeast Pitch Rate and Starter Calculator
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
The 'Rolled Oats' in the grist are actually steel cut oats that I simmered separately in hot water and added at the end of the mash.

Don't skimp on the 2 hour boil!

3 x USO5 packets + 4 oz WY1084 slurry from a previous stout.

Mineral: 0.5tsp per 5gal each of Gyp/Ep/CaCl. Used 100% RO water.

Yes, those are hops in the mash. Brewers Gold hops produce a great dried dark fruit/plumb flavor when mashed which is good for this style.

Racked to keg from primary on 2/13/15. Hit FG target of 1.020 (5 Brix). Tastes incredible! Body and booze for days.

Going to store in keg for 2 months at fridge temp, then force carb and bottle-gun this sucker before extended cellaring.
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Last Updated: 2016-05-24 21:38 UTC
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