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Bohem

8541 calories 723.7 g 19 L
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Beer Stats
Method: All Grain
Style: Czech Premium Pale Lager
Boil Time: 60 min
Batch Size: 28 liters (fermentor volume)
Pre Boil Size: 33 liters
Post Boil Size: 25 liters
Pre Boil Gravity: 1.041 (recipe based estimate)
Post Boil Gravity: 1.055 (recipe based estimate)
Efficiency: 65% (brew house)
Source: Jan Erik Johansen
Calories: 8541 calories (Per 19L)
Carbs: 723.7 g (Per 19L)
Created: Wednesday January 14th 2026
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Fermentables
Amount Fermentable Cost PPG °L Bill %
4,000 g Viking - Pilsner Malt4000 g Pilsner Malt 37 1.9 67.5%
500 g Corn Sugar - Dextrose500 g Corn Sugar - Dextrose 42 0.5 8.4%
500 g Dry Malt Extract - Extra Light500 g Dry Malt Extract - Extra Light 42 2.5 8.4%
500 g Flaked Oats500 g Flaked Oats 33 2.2 8.4%
230 g Viking - Munich Light230 g Munich Light 36 6 3.9%
200 g Cane Sugar200 g Cane Sugar 46 0 3.4%
5,930 g / kr 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
10 g Magnum10 g Magnum Hops Pellet 15 Boil 60 min 14.69 6.3%
30 g Saaz30 g Saaz Hops Pellet 3.5 Boil 60 min 10.29 18.8%
10 g Saaz10 g Saaz Hops Pellet 3.5 Boil 30 min 2.63 6.3%
10 g Saaz10 g Saaz Hops Pellet 3.5 Boil 15 min 1.7 6.3%
50 g Saaz50 g Saaz Hops Pellet 3.5 Hop Stand 30 min 3.13 31.3%
50 g Saaz50 g Saaz Hops Pellet 3.5 Dry Hop 5 days 31.3%
160 g / kr 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 each Protafloc Fining Boil 15 min.
 
Yeast
Lallemand - LalBrew Diamond Lager
Amount:
2 Each
Cost:
Attenuation (custom):
78%
Flocculation:
High
Optimum Temp:
10 - 15 °C
Starter:
No
Fermentation Temp:
11 °C
Pitch Rate:
1.5 (M cells / ml / ° P) 510 B cells required
kr 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       CO2 Level: 2.5 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
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
24 L Infusion -- 67 °C 40 min
3 L Top Off 78 °C -- 30 min
13 L Sparge -- 78 °C 10 min
Starting Mash Thickness: 3.65 L/kg
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 3.7 L/kg 17.3
Mash volume with grains (equipment estimates 17.1 L) 20.4
Grain absorption losses -4.7
Remaining sparge water volume (equipment estimates 18.6 L) 20.6
Mash Lauter Tun losses -0.9
Volume increase from sugar/extract (early additions) 0.8
Pre boil volume (equipment estimates 31 L) 33
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.3
Post boil Volume 25
Hops absorption losses (whirlpool, hop stand) -0.3
Top off amount 3.3
Going into fermentor 28
Total: 37.9  
Equipment Profile Used: System Default
"Bohem" Czech Premium Pale Lager beer recipe by Jan Erik Johansen. All Grain, ABV 5.29%, IBU 32.44, SRM 3.49, Fermentables: (Pilsner Malt, Corn Sugar - Dextrose, Dry Malt Extract - Extra Light, Flaked Oats, Munich Light, Cane Sugar) Hops: (Magnum, Saaz) Other: (Protafloc)
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  • Last Updated: 2026-03-11 10:01 UTC