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COB

194 calories 18.9 g 12 oz
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Beer Stats
Method: All Grain
Style: Brown Porter
Boil Time: 60 min
Batch Size: 12 gallons (fermentor volume)
Pre Boil Size: 14 gallons
Post Boil Size: 12 gallons
Pre Boil Gravity: 1.050 (recipe based estimate)
Post Boil Gravity: 1.059 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Larry Owen
Calories: 194 calories (Per 12oz)
Carbs: 18.9 g (Per 12oz)
Created: Monday February 24th 2025
1.059
1.013
6.0%
43.0
17.5
5.6
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
20 lb United Kingdom - Maris Otter Pale20 lb Maris Otter Pale 38 3.75 78.4%
2 lb American - Caramel / Crystal 20L2 lb Caramel / Crystal 20L 35 20 7.8%
1 lb Cara 20L1 lb Cara 20L 34 22 3.9%
0.50 lb German - Carafa III0.5 lb Carafa III 32 535 2%
2 lb Brown Sugar2 lb Brown Sugar 45 15 7.8%
25.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
2 oz Centennial2 oz Centennial Hops Pellet 10 Boil 60 min 31.55 50%
2 oz Centennial2 oz Centennial Hops Pellet 10 Boil 10 min 11.44 50%
4 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
18 g Gypsum Water Agt Mash 1 hr.
10 g Salt Water Agt Mash 1 hr.
5 g Baking Soda Water Agt Mash 1 hr.
Priming
Method: co2       CO2 Level: 2.44 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
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 13.65 gal (54.6 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 1.65 gal (6.6 qt) sparge/top-off.    
Strike water volume at mash thickness of 1.5 qt/lb 8.81 35.3  
Mash volume with grains 10.69 42.8  
Grain absorption losses -2.94 -11.8  
Remaining sparge water volume (equipment estimates 7.88 g | 31.5 qt) 8.23 32.9  
Mash Lauter Tun losses -0.25 -1  
Volume increase from sugar/extract (early additions) 0.15 0.6  
Pre boil volume (equipment estimates 13.65 g | 54.6 qt) 14 56  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.15 -0.6  
Post boil Volume 12 48  
Going into fermentor 12 48  
Total: 17.04 68.2
Equipment Profile Used: System Default
"COB" Brown Porter beer recipe by Larry Owen. All Grain, ABV 6.03%, IBU 42.99, SRM 17.5, Fermentables: (Maris Otter Pale, Caramel / Crystal 20L, Cara 20L, Carafa III, Brown Sugar) Hops: (Centennial) Other: (Gypsum, Salt, Baking Soda)
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  • Last Updated: 2025-02-24 14:27 UTC