Kolsch 2.1 - Beer Recipe - Brewer's Friend

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Kolsch 2.1

146 calories 12.1 g 12 oz
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Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 90 min
Batch Size: 5.2 gallons (fermentor volume)
Pre Boil Size: 6.5 gallons
Post Boil Size: 5.33 gallons
Pre Boil Gravity: 1.037 (recipe based estimate)
Post Boil Gravity: 1.045 (recipe based estimate)
Efficiency: 62% (brew house)
Calories: 146 calories (Per 12oz)
Carbs: 12.1 g (Per 12oz)
Created: Wednesday March 20th 2019
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1.045
1.007
5.1%
25.5
3.6
5.8
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
9 lb German - Pilsner9 lb Pilsner 38 1.6 90%
1 lb German - Vienna1 lb Vienna 37 4 10%
10 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
2 oz Hallertau Mittelfruh2 oz Hallertau Mittelfruh Hops Pellet 3.75 Boil 35 min 25.51 100%
2 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
2 g Baking Soda Water Agt Mash 0 min.
1 g Calcium Chloride (anhydrous) Water Agt Mash 0 min.
1.50 tbsp Five Star Chemicals - 5.2 pH Stabilizer Water Agt Mash 0 min.
3 g Gypsum Water Agt Mash 0 min.
1 each Whirlfloc Water Agt Boil 10 min.
 
Yeast
Fermentis - Safale - German Ale Yeast K-97
Amount:
1 Each
Cost:
Attenuation (custom):
83%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
Yes
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 77 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.65 Volumes
 
Target Water Profile
Gastonia City Water - Gastonia, NC
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
37 10 25 35 70 80
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
16 qt Target strike temp = 156-157 Infusion -- 148 °F 60 min
14 qt Sparge -- 170 °F 15 min
Starting Mash Thickness: 1.6 qt/lb
Starting Grain Temp: 65 °F
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.6 qt/lb 4 16  
Mash volume with grains 4.8 19.2  
Grain absorption losses -1.25 -5  
Remaining sparge water volume (equipment estimates 5.03 g | 20.1 qt) 4 16  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.53 g | 30.1 qt) 6.5 26  
Boil off losses -2.25 -9  
Hops absorption losses (first wort, boil, aroma) -0.08 -0.3  
Post boil Volume (equipment estimates 5.2 g | 20.8 qt) 5.33 21.3  
WARNING: Exceeded batch size - reduce boil size    
Going into fermentor (equipment estimates 5.33 g | 21.3 qt) 5.2 20.8  
Total: 8 32
Equipment Profile Used: System Default
 
Notes

March 2024 - Updated water profile based on Bison Brew recommendation: https://bisonbrew.com/how-to-brew-kolsch/

Target IBU = 26

Last Updated and Sharing
 
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  • Last Updated: 2024-04-01 20:41 UTC