R&B Koslch 2025 - Beer Recipe - Brewer's Friend

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R&B Koslch 2025

156 calories 13.4 g 12 oz
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Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 60 min
Batch Size: 11 gallons (fermentor volume)
Pre Boil Size: 14 gallons
Pre Boil Gravity: 1.037 (recipe based estimate)
Post Boil Gravity: 1.048 (recipe based estimate)
Efficiency: 85% (brew house)
Source: Rich
Hop Utilization: 97%
Calories: 156 calories (Per 12oz)
Carbs: 13.4 g (Per 12oz)
Created: Sunday April 13th 2025
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Fermentables
Amount Fermentable Cost PPG °L Bill %
11 lb Viking - Pilsner Malt11 lb Pilsner Malt 37 1.9 65.7%
5 lb Viking - Vienna5 lb Vienna 37 3.6 29.9%
4 oz Weyermann - Acidulated4 oz Acidulated $ 3.49 / oz
$ 13.96 		27 3.4 1.5%
8 oz Weyermann - Carafoam8 oz Carafoam $ 3.19 / lb
$ 1.60 		34.5 2.2 3%
16.75 lbs / $ 15.56
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1.25 oz Artisan - Magnum1.25 oz Magnum Hops $ 1.06 / oz
$ 1.33 		Pellet 9.9 Boil 60 min 23.23 38.5%
1 oz Artisan - Saphir1 oz Saphir Hops $ 1.75 / oz
$ 1.75 		Pellet 2.5 Boil 15 min 2.33 30.8%
1 oz Artisan - Saphir1 oz Saphir Hops $ 1.75 / oz
$ 1.75 		Pellet 2.5 Whirlpool 1 min 0.85 30.8%
3.25 oz / $ 4.83
 
Other Ingredients
Amount Name Cost Type Use Time
1 tsp Cellar Science - Glucabuster1 - 5% / 1 Ounces $ 4.99 / oz
$ 0.83 		Water Agt Mash 1 hr.
15 g Gypsum Water Agt Mash 1 hr.
0.38 ml Lactic acid - 88% / 3.49667 Ounces Water Agt Sparge 1 hr.
1 each Whirlfloc / 0 Each Fining Boil 15 min.
0.50 tsp Wyeast - Beer Nutrient / 2.67333 Ounces $ 2.66 / oz
$ 0.22 		Water Agt Boil 15 min.
1 tsp Brewcraft - Biofine / 0.743333 Ounces Water Agt Kegging 14 days
$ 1.05
 
Yeast
Fermentis - Safale - German Ale Yeast K-97
Amount:
1 Each
Cost:
Attenuation (avg):
81%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 174 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.45 Volumes
 
Target Water Profile
Light colored and hoppy
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
75 5 10 50 150 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
5.57 gal Strike 145 °F 130 °F 15 min
Ramp and rest Temperature 130 °F 146 °F 45 min
Rest and ramp Temperature 146 °F 158 °F 30 min
Recirculate to mash out Vorlauf 158 °F 170 °F --
First Runnings Batch Sparge 170 °F 170 °F 15 min
5 gal First fill up and drain Batch Sparge 170 °F 170 °F 15 min
5 gal Second fill and drain Batch Sparge 170 °F 170 °F 15 min
Starting Mash Thickness: 1.3 qt/lb
Starting Grain Temp: 60 °F
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 12.62 gal (50.49 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 0.62 gal (2.49 qt) sparge/top-off.    
Strike water volume at mash thickness of 1.3 qt/lb 5.44 21.8  
Mash volume with grains 6.78 27.1  
Grain absorption losses -2.09 -8.4  
Remaining sparge water volume (equipment estimates 9.52 g | 38.1 qt) 10.9 43.6  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 12.62 g | 50.5 qt) 14 56  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.08 -0.3  
Post boil Volume 11.04 44.2  
Hops absorption losses (whirlpool, hop stand) -0.04 -0.2  
Going into fermentor 11 44  
Total: 16.34 65.4
Equipment Profile Used: System Default
 
Notes

Batch 153

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  • Last Updated: 2025-04-17 00:16 UTC