Kolsch Experiment - Beer Recipe - Brewer's Friend

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Kolsch Experiment

160 calories 13.5 g 12 oz
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Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 90 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.72 gallons
Pre Boil Gravity: 1.040 (recipe based estimate)
Post Boil Gravity: 1.049 (recipe based estimate)
Efficiency: 70% (brew house)
Hop Utilization: 96%
Calories: 160 calories (Per 12oz)
Carbs: 13.5 g (Per 12oz)
Created: Tuesday October 21st 2025
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1.049
1.008
5.4%
26.2
3.6
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
9.50 lb American - Pilsner9.5 lb Pilsner 37 1.8 90.5%
0.40 lb American - Wheat0.4 lb Wheat 38 1.8 3.8%
0.40 lb American - Vienna0.4 lb Vienna 35 4 3.8%
0.20 lb American - Carapils (Dextrine Malt)0.2 lb Carapils (Dextrine Malt) 33 1.8 1.9%
10.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.45 oz Magnum0.45 oz Magnum Hops Pellet 11.5 Boil 60 min 18.72 24.3%
0.60 oz Tettnanger0.6 oz Tettnanger Hops Pellet 4.5 Boil 15 min 4.85 32.4%
0.80 oz Tettnanger0.8 oz Tettnanger Hops Pellet 4.5 Boil 5 min 2.6 43.2%
1.85 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
1.50 g Epsom Salt Water Agt Mash 1 hr.
2.50 g Gypsum Water Agt Mash 1 hr.
1 g Salt Water Agt Mash 1 hr.
5.26 ml Lactic acid Water Agt Mash 1 hr.
 
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) 89 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.44 Volumes
 
Target Water Profile
Tullahoma Water Profile (My best guess)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
50 6 20 40 80 223
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
6.5 gal Infusion -- 150 °F --
1 gal Batch Sparge -- 180 °F --
Starting Mash Thickness: 1.75 qt/lb
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.75 qt/lb 4.59 18.4  
Mash volume with grains 5.43 21.7  
Grain absorption losses -1.31 -5.3  
Remaining sparge water volume (equipment estimates 4.79 g | 19.2 qt) 3.69 14.8  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.82 g | 31.3 qt) 6.72 26.9  
Boil off losses -2.25 -9  
Hops absorption losses (first wort, boil, aroma) -0.07 -0.3  
Post boil Volume 5.5 22  
Going into fermentor 5.5 22  
Total: 8.28 33.1
Equipment Profile Used: System Default
 
Notes

The basis of this came from Mean Brews. However, I’ve changed it considerably to match the supplies I have on hand.

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  • Last Updated: 2025-11-05 19:51 UTC