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Bock of Ages

227 calories 21.1 g 12 oz
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Beer Stats
Method: BIAB
Style: Maibock/Helles Bock
Boil Time: 90 min
Batch Size: 5.25 gallons (fermentor volume)
Pre Boil Size: 7.03 gallons
Post Boil Size: 5.5 gallons
Pre Boil Gravity: 1.054 (recipe based estimate)
Post Boil Gravity: 1.069 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Great Fermentations
Calories: 227 calories (Per 12oz)
Carbs: 21.1 g (Per 12oz)
Created: Friday October 17th 2025
1.069
1.014
7.1%
39.4
15.2
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
10 lb Munich Malt10 lb Munich Malt 36.8 7.87 71.4%
3 lb American - Pilsner3 lb Pilsner 37 1.8 21.4%
0.50 lb German - Melanoidin0.5 lb Melanoidin 37 25 3.6%
0.50 lb Special B0.5 lb Special B 34 115 3.6%
14 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.75 oz Magnum0.75 oz Magnum Hops Pellet 15 Boil 60 min 39.4 100%
0.75 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
9 ml Lactic acid Water Agt Mash 0 min.
 
Yeast
Mangrove Jack - Bohemian Lager Yeast M84
Amount:
1 Each
Cost:
Attenuation (avg):
78%
Flocculation:
High
Optimum Temp:
50 - 59 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 117 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 6.84 psi       Temp: 40 °F       CO2 Level: 2 Volumes
 
Target Water Profile
Munich (Dark Lager)
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
82 20 4 2 16 320
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
7.91 gal Strike 160 °F 152 °F 60 min
Quick Water Requirements
Water Gallons  Quarts
Strike water volume (equipment estimates 9.53 g | 38.1 qt) 9.03 36.1  
Mash volume with grains (equipment estimates 10.65 g | 42.6 qt) 10.15 40.6  
Grain absorption losses -1.75 -7  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.53 g | 30.1 qt) 7.03 28.1  
Boil off losses -2.25 -9  
Hops absorption losses (first wort, boil, aroma) -0.03 -0.1  
Post boil Volume (equipment estimates 5.25 g | 21 qt) 5.5 22  
WARNING: Exceeded batch size - reduce boil size    
Volume into fermentor (equipment estimates 5.5 g | 22 qt) 5.25 21  
Total: 9.03 36.1
Equipment Profile Used: System Default
"Bock of Ages" Maibock/Helles Bock beer recipe by Great Fermentations. BIAB, ABV 7.14%, IBU 39.4, SRM 15.15, Fermentables: (Munich Malt, Pilsner, Melanoidin, Special B) Hops: (Magnum) Other: (Lactic acid)
Last Updated and Sharing
 
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  • Last Updated: 2026-01-24 23:00 UTC