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Oso Negro

279 calories 28 g 12 oz
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Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 90 min
Batch Size: 6.5 gallons (fermentor volume)
Pre Boil Size: 8 gallons
Pre Boil Gravity: 1.069 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Aaron / Ryan
Calories: 279 calories (Per 12oz)
Carbs: 28 g (Per 12oz)
Created: Thursday May 30th 2019
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Fermentables
Amount Fermentable Cost PPG °L Bill %
18.50 lb United Kingdom - Maris Otter Pale18.5 lb Maris Otter Pale 38 3.75 87.5%
0.65 lb Briess - Midnight Wheat Malt0.65 lb Midnight Wheat Malt 25 550 3.1%
0.75 lb BSG - Perla Negra0.75 lb Perla Negra 32 340 3.5%
1 lb Flaked Oats1 lb Flaked Oats 33 2.2 4.7%
0.25 lb American - Roasted Barley0.25 lb Roasted Barley 33 300 1.2%
21.15 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1.75 oz Galena1.75 oz Galena Hops Pellet 14.5 Boil 60 min 62.74 100%
1.75 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
4 g Chalk Water Agt Mash 1 hr.
5 g Calcium Chloride Water Agt Mash 1 hr.
3 g Gypsum Water Agt Mash 1 hr.
 
Yeast
Danstar - Nottingham Ale Yeast
Amount:
1 Each
Cost:
Attenuation (avg):
77%
Flocculation:
High
Optimum Temp:
57 - 70 °F
Starter:
No
Fermentation Temp:
65 °F
Pitch Rate:
1.25 (M cells / ml / ° P) 622 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.9 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
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
5.75 gal Sacc. rest Temperature -- 154 °F 30 min
5 gal Fly Sparge -- 170 °F 15 min
Starting Mash Thickness: 1.25 qt/lb
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.25 qt/lb 6.61 26.4  
Mash volume with grains 8.3 33.2  
Grain absorption losses -2.64 -10.6  
Remaining sparge water volume (equipment estimates 5.1 g | 20.4 qt) 4.28 17.1  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 8.82 g | 35.3 qt) 8 32  
Boil off losses -2.25 -9  
Hops absorption losses (first wort, boil, aroma) -0.07 -0.3  
Post boil Volume 6.5 26  
Going into fermentor 6.5 26  
Total: 10.89 43.6
Equipment Profile Used: System Default
 
Notes

Buffalo Trace barrel preferred. Grain bill was not modified as it was built for a high gravity imperial stout that will pair perfectly with being barrel aged. We omitted the 20 minute Galena aroma addition because it will be nullified in the barrel. We bumped up the 60 minute addition to compensate for the removal of the 20 minute addition and expected loss of bitterness while aging.

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  • Last Updated: 2019-06-27 00:04 UTC