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Lys Kølsh

117 calories 9.7 g 330 ml
Beer Stats
Method: All Grain
Style: Märzen
Boil Time: 60 min
Batch Size: 22 liters (fermentor volume)
Pre Boil Size: 28 liters
Pre Boil Gravity: 1.031 (recipe based estimate)
Post Boil Gravity: 1.039 (recipe based estimate)
Efficiency: 65% (brew house)
Calories: 117 calories (Per 330ml)
Carbs: 9.7 g (Per 330ml)
Created: Tuesday May 5th 2026
1.039
1.006
4.3%
28.2
5.4
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG EBC Bill %
4.20 kg Weyermann - Bohemian Pilsner Malt4.2 kg Bohemian Pilsner Malt 36.8 2.43 96.6%
0.15 kg Weyermann - Acidulated0.15 kg Acidulated 27 3.4 3.4%
4.35 kg / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
30 g Perle30 g Perle Hops Pellet 5.8 Boil 60 min 23.87 50%
15 g Perle15 g Perle Hops Pellet 5.8 Mash 20 min 2.38 25%
15 g Perle15 g Perle Hops Pellet 5.68 Hop Stand 0 min 1.94 25%
60 g / 0.00
 
Yeast
Fermentis - Safale - German Ale Yeast K-97
Amount:
18 Grams
Cost:
Attenuation (avg):
81%
Flocculation:
High
Optimum Temp:
12 - 25 °C
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 75 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 0 Volumes
 
Target Water Profile
Mårslet Vand - Dekarboneret (Cl2)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
75 10 18 165 78 1.2
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
18 L Strike 52 °C 52 °C 20 min
Temperature 65 °C 65 °C 75 min
Temperature 72 °C 72 °C 15 min
Temperature 77 °C 77 °C 10 min
14 L Sparge 78 °C 78 °C 20 min
Starting Mash Thickness: 3.99 L/kg
Starting Grain Temp: 18 °C
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 4 L/kg 17.4
Mash volume with grains 20.2
Grain absorption losses -4.4
Hops absorption losses (mash) -0.1
Remaining sparge water volume (equipment estimates 15.9 L) 16
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 27.9 L) 28
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.2
Post boil Volume 22.1
Hops absorption losses (whirlpool, hop stand) -0.1
Going into fermentor 22
Total: 33.3  
Equipment Profile Used: System Default
"Lys Kølsh" Märzen beer recipe by Jan Refsing. All Grain, ABV 4.28%, IBU 28.18, SRM 5.43, Fermentables: ( Bohemian Pilsner Malt, Acidulated) Hops: (Perle)
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  • Public: Yup, Shared
  • Last Updated: 2026-05-06 09:19 UTC