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Chocolate Achromatic Stout

342 calories 29.9 g 12 oz
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Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 120 min
Batch Size: 6 gallons (ending kettle volume)
Pre Boil Size: 9.5 gallons
Pre Boil Gravity: 1.065 (recipe based estimate)
Efficiency: 70% (ending kettle)
Source: Neil Fisher - Weldwerks Brewing Co.
Hop Utilization: 82%
Calories: 342 calories (Per 12oz)
Carbs: 29.9 g (Per 12oz)
URL: https://beerandbrewing.com/chocolate-achromatic-stout-recipe/
Created: Wednesday September 26th 2018
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Fermentables
Amount Fermentable Cost PPG °L Bill %
17.25 lb US - Pale 2-Row17.25 lb Pale 2-Row 37 1.8 69.5%
1.50 lb American - Chocolate1.5 lb Chocolate 29 350 6%
2 lb Proximity - Pale Chocolate2 lb Pale Chocolate 32 300 8.1%
0.50 lb Proximity - Rye Malt0.5 lb Rye Malt 37.7 4 2%
1.25 lb American - Caramel / Crystal 120L1.25 lb Caramel / Crystal 120L 33 120 5%
16 oz American - Caramel / Crystal 40L16 oz Caramel / Crystal 40L 34 40 4%
16 oz Flaked Oats16 oz Flaked Oats 33 2.2 4%
5 oz American - Roasted Barley5 oz Roasted Barley 33 300 1.3%
24.81 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
2 oz Magnum2 oz Magnum Hops Pellet 12.7 First Wort 0 min 69.12 100%
2 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
5 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
6 g Gypsum Water Agt Mash 1 hr.
4 ml Lactic acid Water Agt Mash 1 hr.
2 g Slaked Lime Water Agt Mash 1 hr.
1 each Whirlfloc Fining Boil 5 min.
1 tsp Yeast Nutrient Other Boil 5 min.
8 oz Cacao Nibs Flavor Secondary 7 days
1 each Vanilla Bean Flavor Secondary 7 days
 
Yeast
Fermentis - Safale - American Ale Yeast US-05
Amount:
3 Each
Cost:
Attenuation (avg):
81%
Flocculation:
Medium
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
64 °F
Pitch Rate:
1.25 (M cells / ml / ° P) 693 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.9 Volumes
 
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
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
7.75 gal Infusion -- 153 °F 75 min
5.1 gal Sparge -- 168 °F 20 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 7.75 31  
Mash volume with grains 9.74 39  
Grain absorption losses -3.1 -12.4  
Remaining sparge water volume 5.1 20.4  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 9.08 g | 36.3 qt) 9.5 38  
Boil off losses -3 -12  
Hops absorption losses (first wort, boil, aroma) -0.08 -0.3  
Post boil volume (equipment estimates 6.43 g | 25.7 qt) 6 24  
Estimated amount in fermentor 6 24  
Total: 12.85 51.4
Equipment Profile Used: System Default
 
Notes

Mash at 153°F (67°C) for 60 minutes, then rest until conversion is complete. Boil for 120 minutes. Pitch the yeast and ferment at 64°F (18°C) to start, allowing the temperature to rise to 67°F (19°C) near the end of fermentation to ensure full attenuation.

After fermentation is complete, in separate mesh bags, add to the fermentor 8 oz (227 g) of roasted cacao nibs and one vanilla bean split lengthwise. Leave the cacao nibs in contact with the beer for 1–3 days, tasting daily and removing cacao nibs when desired flavor profile is achieved. Condition for 2–3 weeks while aging with the vanilla bean, before packaging at 2.3 volumes.

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  • Last Updated: 2021-04-23 22:49 UTC