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Ocra-Kolsch 2025

181 calories 18.2 g 12 oz
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Beer Stats
Method: BIAB
Style: Kölsch
Boil Time: 80 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.79 gallons
Post Boil Size: 5.58 gallons
Pre Boil Gravity: 1.045 (recipe based estimate)
Post Boil Gravity: 1.055 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Richbon
Calories: 181 calories (Per 12oz)
Carbs: 18.2 g (Per 12oz)
Created: Tuesday June 17th 2025
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OG: 1.048 FG: 1.011 ABV: 4.9% IBU: 27

1.055
1.013
5.5%
25.1
4.2
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb Avangard - Pilsner10 lb Pilsner 37.3 1.7 87%
0.75 lb Avangard - Light Munich0.75 lb Light Munich 37 8 6.5%
0.75 lb American - Red Wheat0.75 lb Red Wheat 38 2.5 6.5%
11.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
28 g Tettnanger28 g Tettnanger Hops Pellet 2 Aroma 20 min 4.33 50%
28 g Hersbrucker28 g Hersbrucker Hops Pellet 5 First Wort 70 min 20.73 50%
56 g / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
7.50 g Lactic acid Water Agt Mash 0 min.
2 g Gypsum Water Agt Mash 1 hr.
 
Yeast
White Labs - German Ale/ Kölsch Yeast WLP029
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Medium
Optimum Temp:
65 - 69 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 99 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.47 Volumes
 
Target Water Profile
Light colored and malty
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
60 5 10 95 55 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
6.5 gal Infusion 152 °F 152 °F 60 min
1 gal Batch Sparge 166 °F 166 °F --
Quick Water Requirements
Water Gallons  Quarts
Strike water volume (equipment estimates 9.26 g | 37 qt) 8.48 33.9  
Mash volume with grains (equipment estimates 10.18 g | 40.7 qt) 9.4 37.6  
Grain absorption losses -1.44 -5.8  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.57 g | 30.3 qt) 6.79 27.2  
Boil off losses -2 -8  
Hops absorption losses (first wort, boil, aroma) -0.07 -0.3  
Post boil Volume (equipment estimates 5.5 g | 22 qt) 5.58 22.3  
WARNING: Exceeded batch size - reduce boil size    
Volume into fermentor (equipment estimates 5.58 g | 22.3 qt) 5.5 22  
Total: 8.48 33.9
Equipment Profile Used: System Default
"Ocra-Kolsch 2025" Kölsch beer recipe by Richbon. BIAB, ABV 5.47%, IBU 25.06, SRM 4.2, Fermentables: (Pilsner, Light Munich, Red Wheat) Hops: (Tettnanger, Hersbrucker) Other: (Lactic acid, Gypsum)
Last Updated and Sharing
 
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  • Public: Yup, Shared
  • Last Updated: 2025-06-22 21:09 UTC