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ExAlt

170 calories 14.7 g 12 oz
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Beer Stats
Method: BIAB
Style: Altbier
Boil Time: 60 min
Batch Size: 3 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)
Calories: 170 calories (Per 12oz)
Carbs: 14.7 g (Per 12oz)
Created: Sunday March 29th 2026
1.052
1.009
5.6%
41.5
17.7
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
3 lb American - Vienna3 lb Vienna 35 4 48%
2 lb Mecca Grade - Opal 442 lb Opal 44 36 45 32%
1 lb Weyermann - Barke Munich Malt1 lb Barke Munich Malt 37 8 16%
0.25 lb German - Acidulated Malt0.25 lb Acidulated Malt 27 3.4 4%
6.25 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.30 oz Apollo0.3 oz Apollo Hops Pellet 18.1 Boil 60 min 37.01 42.9%
0.20 oz Styrian Goldings0.2 oz Styrian Goldings Hops Pellet 3.4 Boil 30 min 3.56 28.6%
0.20 oz Styrian Goldings0.2 oz Styrian Goldings Hops Pellet 3.4 Boil 5 min 0.92 28.6%
0.70 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 each Campden Tablets Water Agt Mash 0 min.
1 each Whirlfloc Fining Boil 15 min.
3 tsp Yeast Nutrient Other Boil 15 min.
12 g Calcium carbonate Water Agt Mash 0 min.
 
Yeast
Fermentis - Safale - German Ale Yeast K-97
Amount:
1 Each
Cost:
Attenuation (avg):
81%
Flocculation:
High
Optimum Temp:
54 - 77 °F
Starter:
No
Fermentation Temp:
60 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 51 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.65 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 Sparge 150 °F 150 °F 60 min
0.75 gal 168 °F 168 °F --
Quick Water Requirements
Water Gallons  Quarts
Strike water volume (equipment estimates 5.56 g | 22.2 qt) 5.03 20.1  
Mash volume with grains (equipment estimates 6.06 g | 24.2 qt) 5.53 22.1  
Grain absorption losses -0.78 -3.1  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 4.53 g | 18.1 qt) 4 16  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.03 -0.1  
Post boil Volume (equipment estimates 3 g | 12 qt) 3.25 13  
WARNING: Exceeded batch size - reduce boil size    
Volume into fermentor (equipment estimates 3.25 g | 13 qt) 3 12  
Total: 5.03 20.1
Equipment Profile Used: System Default
"ExAlt" Altbier beer recipe by Jon Gerenski. BIAB, ABV 5.63%, IBU 41.5, SRM 17.74, Fermentables: (Vienna, Opal 44, Barke Munich Malt, Acidulated Malt) Hops: (Apollo, Styrian Goldings) Other: (Campden Tablets, Whirlfloc, Yeast Nutrient, Calcium carbonate)
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  • Public: Yup, Shared
  • Last Updated: 2026-04-06 23:37 UTC