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Dark Check Bobby

172 calories 17.8 g 12 oz
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Beer Stats
Method: BIAB
Style: Czech Dark Lager
Boil Time: 60 min
Batch Size: 2.75 gallons (fermentor volume)
Pre Boil Size: 4 gallons
Post Boil Size: 3.25 gallons
Pre Boil Gravity: 1.042 (recipe based estimate)
Post Boil Gravity: 1.052 (recipe based estimate)
Efficiency: 70% (brew house)
Source: TDB
Calories: 172 calories (Per 12oz)
Carbs: 17.8 g (Per 12oz)
Created: Thursday November 6th 2025
1.052
1.013
5.1%
17.9
23.2
5.5
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
3.25 lb German - Vienna3.25 lb Vienna 37 4 57.8%
1.50 lb Weyermann - Barke Munich Malt1.5 lb Barke Munich Malt 37 8 26.7%
0.25 lb German - Carafa II0.25 lb Carafa II 32 425 4.4%
2 oz German - CaraMunich I2 oz CaraMunich I 34 39 2.2%
0.25 lb German - Melanoidin0.25 lb Melanoidin 37 25 4.4%
2 oz German - Acidulated Malt2 oz Acidulated Malt 27 3.4 2.2%
2 oz German - CaraMunich III2 oz CaraMunich III 34 57 2.2%
5.62 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.45 oz Yakima Chief Hops - Saaz0.45 oz Saaz Hops Pellet 2.7 First Wort 0 min 9.89 45%
0.40 oz Yakima Chief Hops - Saaz0.4 oz Saaz Hops Pellet 2.7 Boil 60 min 7.99 40%
0.15 oz Yakima Chief Hops - Saaz0.15 oz Saaz Hops Pellet 3.5 Boil 0 min 15%
1 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 each Campden Tablets Water Agt Mash 0 min.
1 each Whirlfloc Water Agt Boil 15 min.
2 tsp Yeast Nutrient Other Boil 15 min.
 
Yeast
Imperial Yeast - L28 Urkel
Amount:
1 Each
Cost:
Attenuation (avg):
73%
Flocculation:
Medium
Optimum Temp:
52 - 58 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 47 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.25 Volumes
 
Target Water Profile
MCWA
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
3.75 gal Infusion 131 °F 131 °F 15 min
Infusion 147 °F 147 °F 30 min
Infusion 158 °F 158 °F 30 min
Infusion 168 °F 168 °F 10 min
0.75 gal Batch Sparge 168 °F 168 °F --
Quick Water Requirements
Water Gallons  Quarts
Strike water volume (equipment estimates 5.24 g | 21 qt) 4.95 19.8  
Mash volume with grains (equipment estimates 5.69 g | 22.8 qt) 5.4 21.6  
Grain absorption losses -0.7 -2.8  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 4.29 g | 17.2 qt) 4 16  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.04 -0.2  
Post boil Volume (equipment estimates 2.75 g | 11 qt) 3.25 13  
WARNING: Exceeded batch size - reduce boil size    
Volume into fermentor (equipment estimates 3.25 g | 13 qt) 2.75 11  
Total: 4.95 19.8
Equipment Profile Used: System Default
"Dark Check Bobby" Czech Dark Lager beer recipe by TDB. BIAB, ABV 5.14%, IBU 17.88, SRM 23.17, Fermentables: (Vienna, Barke Munich Malt, Carafa II, CaraMunich I, Melanoidin, Acidulated Malt, CaraMunich III) Hops: (Saaz) Other: (Campden Tablets, Whirlfloc, Yeast Nutrient)
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  • Last Updated: 2025-11-07 21:21 UTC