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K-38 Kolsch

173 calories 15.7 g 12 oz
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Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 60 min
Batch Size: 6 gallons (fermentor volume)
Pre Boil Size: 7.61 gallons
Pre Boil Gravity: 1.042 (recipe based estimate)
Post Boil Gravity: 1.053 (recipe based estimate)
Efficiency: 80% (brew house)
Calories: 173 calories (Per 12oz)
Carbs: 15.7 g (Per 12oz)
Created: Friday May 29th 2026
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1.053
1.010
5.6%
23.4
3.2
5.8
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb Weyermann - Pilsner10 lb Pilsner 36 1.5 90.9%
0.50 lb Rahr - White Wheat0.5 lb White Wheat 39.1 3.2 4.5%
0.50 lb American - Vienna0.5 lb Vienna 35 4 4.5%
11 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.75 oz BSG - Perle0.75 oz Perle Hops Pellet 6.2 Boil 60 min 15.86 25%
0.25 oz Tettnanger0.25 oz Tettnanger Hops Pellet 2.6 Boil 60 min 2.22 8.3%
0.25 oz BSG - Hallertau Mittelfruh0.25 oz Hallertau Mittelfruh Hops Pellet 2.6 Boil 60 min 2.22 8.3%
0.25 oz Tettnanger0.25 oz Tettnanger Hops Pellet 2.6 Boil 15 min 1.1 8.3%
0.25 oz BSG - Hallertau Mittelfruh0.25 oz Hallertau Mittelfruh Hops Pellet 2.6 Boil 15 min 1.1 8.3%
0.25 oz Tettnanger0.25 oz Tettnanger Hops Pellet 2.6 Boil 5 min 0.44 8.3%
0.25 oz BSG - Hallertau Mittelfruh0.25 oz Hallertau Mittelfruh Hops Pellet 2.6 Boil 5 min 0.44 8.3%
0.25 oz BSG - Hallertau Mittelfruh0.25 oz Hallertau Mittelfruh Hops Pellet 2.6 Whirlpool at 140 °F 0 min 8.3%
0.25 oz Tettnanger0.25 oz Tettnanger Hops Pellet 2.6 Whirlpool at 140 °F 0 min 8.3%
0.25 oz BSG - Perle0.25 oz Perle Hops Pellet 6.2 Whirlpool at 140 °F 0 min 8.3%
3 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
0.20 g Servomyces Other Boil 10 min.
1 tsp Irish Moss Fining Boil 15 min.
 
Yeast
Fermentis - Safale - German Ale Yeast K-97
Amount:
1 Each
Cost:
Attenuation (custom):
78%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 104 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.65 Volumes
 
Target Water Profile
Poland Spring 2026
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
7 1 5 7 4 22
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
4.75 gal Strike 100 °F 148 °F 60 min
3.25 gal Sparge 165 °F 165 °F 60 min
Starting Mash Thickness: 1.5 qt/lb
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.5 qt/lb 4.13 16.5  
Mash volume with grains 5.01 20  
Grain absorption losses -1.38 -5.5  
Remaining sparge water volume 5.11 20.4  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume 7.61 30.4  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.08 -0.3  
Post boil Volume 6.03 24.1  
Hops absorption losses (whirlpool, hop stand) -0.03 -0.1  
Going into fermentor 6 24  
Total: 9.24 36.9
Equipment Profile Used: System Default
 
Notes

Actual Ph measured at 5.4 room temp

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  • Last Updated: 2026-06-22 00:48 UTC