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Coprinus Comatus

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

Original Gravity:

1.058

Final Gravity:

1.014

ABV (alternate):

6.0%

IBU (tinseth):

39.1

SRM (morey):

35.5

Mash pH

5.4

Cost $

n/a

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Fermentables

Amount	Fermentable	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	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

Show Summary View

Amount	Variety	Cost	IBU	Bill %
16 oz	Target (Pellet)		39.09	100%
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

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-04-22 01:31 UTC

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

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