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Coprinus Comatus

192 calories 19.5 g 12 oz
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Beer Stats
Method: All Grain
Style: American Stout
Boil Time: 60 min
Batch Size: 70 gallons (fermentor volume)
Pre Boil Size: 72.6 gallons
Post Boil Size: 70.5 gallons
Pre Boil Gravity: 1.057 (recipe based estimate)
Post Boil Gravity: 1.058 (recipe based estimate)
Efficiency: 75% (brew house)
Source: Genus Brewing & Supply
Hop Utilization: 94%
Calories: 192 calories (Per 12oz)
Carbs: 19.5 g (Per 12oz)
Created: Sunday April 19th 2026
1.058
1.014
6.0%
39.1
35.5
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
40 lb US - Pale 2-Row40 lb Pale 2-Row 37 1.8 27.4%
34 lb Ireland - Stout Malt34 lb Stout Malt 37 2 23.3%
21 lb Weyermann - Abbey Malt21 lb Abbey Malt 36.8 17 14.4%
15 lb Grain Millers - Flaked Oats15 lb Flaked Oats 34.6 1.5 10.3%
8 lb American - Caramel / Crystal 150L8 lb Caramel / Crystal 150L 33 150 5.5%
8 lb American - Caramel / Crystal 80L8 lb Caramel / Crystal 80L 33 80 5.5%
5 lb Weyermann - Chocolate Wheat5 lb Chocolate Wheat 34.8 415 3.4%
5 lb German - Carafa III5 lb Carafa III 32 535 3.4%
10 lb Corn Sugar - Dextrose10 lb Corn Sugar - Dextrose 42 0.5 6.8%
146 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
8 oz Target8 oz Target Hops Pellet 11.5 Boil 60 min 22.1 50%
8 oz Target8 oz Target Hops Pellet 11.5 Boil 30 min 16.99 50%
16 oz / $ 0.00
 
Yeast
Imperial Yeast - G02 Kaiser
Amount:
1 Each
Cost:
Attenuation (avg):
73%
Flocculation:
Low
Optimum Temp:
55 - 65 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 1324 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.75 Volumes
 
Target Water Profile
*Most Recent Genus H²O- Winter 2024
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 72.1 gal (288.4 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 60.1 gal (240.4 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 53.38 gal (213.52 qt). Suggest reducing strike water volume to 1.12 gal (4.48 qt) and adding 41.38 gal (165.52 qt) sparge/top-off. 42.5 170  
Strike water volume at mash thickness of 1.25 qt/lb 42.5 170  
Mash volume with grains 53.38 213.5  
Grain absorption losses -17 -68  
Remaining sparge water volume (equipment estimates 46.07 g | 184.3 qt) 46.57 186.3  
Mash Lauter Tun losses -0.25 -1  
Volume increase from sugar/extract (early additions) 0.78 3.1  
Pre boil volume (equipment estimates 72.1 g | 288.4 qt) 72.6 290.4  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.6 -2.4  
Post boil Volume (equipment estimates 70 g | 280 qt) 70.5 282  
WARNING: Exceeded batch size - reduce boil size    
Going into fermentor (equipment estimates 70.5 g | 282 qt) 70 280  
Total: 89.07 356.3
Equipment Profile Used: System Default
"Coprinus Comatus" American Stout beer recipe by Genus Brewing & Supply. All Grain, ABV 6%, IBU 39.09, SRM 35.52, Fermentables: (Pale 2-Row, Stout Malt, Abbey Malt, Flaked Oats, Caramel / Crystal 150L, Caramel / Crystal 80L, Chocolate Wheat, Carafa III, Corn Sugar - Dextrose) Hops: (Target)
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  • Last Updated: 2026-04-22 01:31 UTC