2025 Kolsch Beer Recipe | All Grain Kölsch by stretch | Brewer's Friend
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2025 Kolsch

153 calories 15.5 g 330 ml
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Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 90 min
Batch Size: 24 liters (ending kettle volume)
Pre Boil Size: 30 liters
Pre Boil Gravity: 1.040 (recipe based estimate)
Efficiency: 78% (ending kettle)
Source: Stretch
Calories: 153 calories (Per 330ml)
Carbs: 15.5 g (Per 330ml)
Created: Thursday November 6th 2025
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1.050
1.012
5.0%
24.9
4.3
5.3
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
4.50 kg Weyermann - Floor-Malted Bohemian Pilsner4.5 kg Floor-Malted Bohemian Pilsner 36.3 1.9 86.1%
0.45 kg Weyermann - Carahell0.45 kg Carahell 34 10 8.6%
0.13 kg Weyermann - Carapils0.125 kg Carapils 34.5 2.1 2.4%
0.15 kg Gladfield - Sour Grapes Acid Malt0.15 kg Sour Grapes Acid Malt 12.4 2.03 2.9%
5.23 kg / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
35 g Tettnanger35 g Tettnanger Hops Pellet 4 Boil 80 min 17.07 36.8%
30 g Tettnanger30 g Tettnanger Hops Pellet 4 Boil 10 min 5.03 31.6%
30 g Tettnanger30 g Tettnanger Hops Pellet 4 Boil 5 min 2.76 31.6%
95 g / 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
18 L beta rest Infusion 64 °C 62 °C 30 min
alpha rest Temperature 62 °C 70 °C 30 min
Mash out Temperature 70 °C 75 °C 10 min
16 L Sparge Sparge 75 °C 75 °C 10 min
Starting Mash Thickness: 3.5 L/kg
 
Other Ingredients
Amount Name Cost Type Use Time
6 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
2 g gypsum (calcium sulfate) Water Agt Mash 1 hr.
0.75 ml Phosphoric acid - 85% / 100 Milliliters Water Agt Sparge 20 min.
0.25 tsp Whirlfloc Fining Boil 10 min.
0.25 tsp Gelatin Fining Kegging 0 min.
0.30 g sodium metabisulphate Water Agt Kegging 0 min.
 
Yeast
Lallemand - LalBrew Diamond Lager
Amount:
2 Each
Cost:
Attenuation (custom):
82%
Flocculation:
High
Optimum Temp:
10 - 15 °C
Starter:
No
Fermentation Temp:
10 °C
Pitch Rate:
1.5 (M cells / ml / ° P) 446 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.25 Volumes
 
Target Water Profile
Light colored and malty
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
75 1 3 90 40 0.1
Water profile was intended to emphasise the pils malt, over the hopping.
Mash Chemistry and Brewing Water Calculator
 
Notes

Mash in 8:15 am Sat 3 May 2025. After 10 mins @ 62C, pulled 1.7kg of thick mash, boiled for 20 mins, added back to mash as 70C step started ramping up.
Acidified sparge water to 5.5 pH.
Collected 30 litres exactly, @ 11.5 brix=1.044. End of boil after cooling 24 litres @ 12.5 brix=1.048 12:45pm into fridge 25C, set temp to 10C. 7pm down to 13C , dry pitched 2 packs Diamond (1x8/25, 1x8/26). 10pm 9.9C. 8:45am Sunday 4May 9.8C a little bubbling, 13 Brix=1.050. 7:30am Monday 5May 13.25brix=1.052, upped to 11C. 10am bubbles. Tues 8am 13 brix. Tues 6pm 12.5 brix=1.043. weds 1:30pm 12 brix=1.040. Thurs 9am 11 brix=1.034. Fri 9May24 8am 10 brix=1.029, upped temp to 12C. Fri 6pm 9 brix=1.023, upped to 13C.
8am Sat 10May 8 brix=1.017, upped to 15C. 9:30am Sun 11May 7.5 brix=1.014, 1:15 pm upped to 16C. 9am Monday 12May 7.5 brix=1.014. Thurs 15 May 6pm reduced to 15C, 8:30am Fri to 14C. Then slow crashed down by a degree every 8-12 hours, until Tues 11am 5C. Held at 5C until packaged Sat 24 May25, keg (gelatin, smb) plus 4 stubbies,

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  • Last Updated: 2025-11-07 00:17 UTC
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