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Grolsch Imperial Lager

177 calories 17 carbs
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Beer Stats
Method: All Grain
Style: German Pilsner (Pils)
Boil Time: 90 min
Batch Size: 20.8 liters (fermentor volume)
Pre Boil Size: 28.4 liters
Pre Boil Gravity: 1.039 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Gunnar Schie
Calories: 177 calories (Per 355mL)
Carbs: 17 g (Per 355mL)
Created Tuesday June 11th 2019
1.054
1.012
5.55%
36.69
4.2
n/a
 
Fermentables
Amount Fermentable PPG °L Bill %
4.64 kg German - Pilsner4.64 kg Pilsner 38 1.6 91.3%
0.3 kg American - Caramel / Crystal 10L0.3 kg Caramel / Crystal 10L 35 10 5.9%
0.14 kg German - Munich Light0.14 kg Munich Light 37 6 2.8%
5.08 kg Total      
 
Hops
Amount Variety Type AA Use Time IBU Bill %
28.35 g Northern Brewer28.35 g Northern Brewer Hops Pellet 7.8 Boil 90 min 31.72 57.2%
14.15 g Hallertau Hersbrucker14.15 g Hallertau Hersbrucker Hops Pellet 4 Boil 15 min 3.77 28.5%
7.1 g Saaz7.1 g Saaz Hops Pellet 3.5 Boil 10 min 1.21 14.3%
 
Mash Guidelines
Amount Description Type Temp Time
13.2 L Varm vannet til 70 for mesk på 66 Infusion 66 °C 60 min
14.4 L Varm vannet til 66 grader Infusion 66 °C 30 min
11.4 L Vannet skal være 66 grader Sparge 66 °C 15 min
Starting Mash Thickness: 2.5 L/kg
 
Other Ingredients
Amount Name Type Use Time
1 each Whirlfloc Water Agt Boil 15 min.
 
Yeast
White Labs - German Lager Yeast WLP830
Amount:
1 Each
Attenuation (avg):
76.5%
Flocculation:
Medium
Optimum Temp:
10 - 13 °C
Starter:
Yes
Fermentation Temp:
10 °C
Pitch Rate:
1.5 (M cells / ml / ° P) 416 B cells required
Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.25 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
Quick Water Requirements
Water Gallons  Quarts
Recipe is in Metric, but your profile specifies US units. Adjusted volumes to US units    
Total mash water needed 10.79 43.2  
Strike water volume at mash thickness of 1.19803 qt/lb 3.35 13.4  
Remaining sparge water volume 7.44 29.8  
Grain absorption losses -2.8 -11.2  
Mash Lauter Tun dead space -0.25 -1  
Amount going into kettle 7.74 31  
Boil off losses -2.25 -9  
Hops absorption losses -0 -0  
Amount going into fermentor 5.49 22  
Total: 10.79 43.2
Author: Gunnar Schie, Method: All Grain, Style: German Pilsner (Pils), ABV 5.55%, IBU 36.69, SRM 4.2, Fermentables: (Pilsner, Caramel / Crystal 10L, Munich Light) Hops: (Northern Brewer, Hallertau Hersbrucker, Saaz) Other: (Whirlfloc)
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  • Public: Yup, Shared
  • Last Updated: 2019-06-23 21:20 UTC