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Kolsch (BCS)

151 calories 15.3 g 12 oz

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Beer Stats
Method: BIAB
Style: Kölsch
Boil Time: 60 min
Batch Size: 6 gallons (fermentor volume)
Pre Boil Size: 7 gallons
Post Boil Size: 6 gallons
Pre Boil Gravity: 1.040 (recipe based estimate)
Post Boil Gravity: 1.046 (recipe based estimate)
Efficiency: 75% (brew house)
Hop Utilization: 97%
Calories: 151 calories (Per 12oz)
Carbs: 15.3 g (Per 12oz)
Created: Thursday October 16th 2025
1.046
1.011
4.6%
16.1
3.6
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
9.75 lb Rahr - North Star Pils9.75 lb North Star Pils 36.3 1.7 95.7%
4 oz German - Vienna4 oz Vienna 37 4 2.5%
3 oz Belgian - CaraVienne3 oz CaraVienne 34 20 1.8%
163 oz / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
6 g liberty6 g liberty Hops Pellet 6.5 First Wort at 212 °F 90 min 5.11 14.3%
28 g hallertau mittlefru28 g hallertau mittlefru Hops Pellet 4 Boil at 212 °F 30 min 10.24 66.7%
8 g hallertau mittlefru8 g hallertau mittlefru Hops Pellet 4 Aroma at 212 °F 5 min 0.76 19%
42 g / 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
8 gal 9 °F 131 °F 10 min
Temperature 131 °F 145 °F 45 min
Temperature 145 °F 158 °F 20 min
Temperature 158 °F 168 °F 10 min
 
Yeast
White Labs - German Ale/ Kölsch Yeast WLP029
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Medium
Optimum Temp:
65 - 69 °F
Starter:
No
Fermentation Temp:
60 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 91 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.65 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
R/O water
1 tsp cacl2 in mash
Mash Chemistry and Brewing Water Calculator
"Kolsch (BCS)" Kölsch beer recipe by Brewer #97574. BIAB, ABV 4.6%, IBU 16.11, SRM 3.56, Fermentables: (North Star Pils, Vienna, CaraVienne) Hops: (liberty, hallertau mittlefru)
Recipe Picture
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  • Public: Yup, Shared
  • Last Updated: 2026-02-23 00:54 UTC
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