Pre-Prohibition Porter Beer Recipe | BIAB Pre-Prohibition Porter by Gregg Johnson | Brewer's Friend
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Pre-Prohibition Porter

168 calories 17.6 g 12 oz
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Beer Stats
Method: BIAB
Style: Pre-Prohibition Porter
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 7.08 gallons
Post Boil Size: 6 gallons
Pre Boil Gravity: 1.043 (recipe based estimate)
Post Boil Gravity: 1.051 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Gregg Johnson
Hop Utilization: 85%
Calories: 168 calories (Per 12oz)
Carbs: 17.6 g (Per 12oz)
Created: Saturday April 18th 2026
1.051
1.013
5.0%
25.1
27.6
5.6
n/a
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Fermentables
Amount Fermentable Cost PPG °L Bill %
6.50 lb Root Shoot Malting - Genie Pale 2-Row6.5 lb Genie Pale 2-Row 36 2 59.1%
1 lb Root Shoot Malting - Genie Munich1 lb Genie Munich 35 3 9.1%
2 lb Flaked Corn2 lb Flaked Corn 40 0.5 18.2%
0.25 lb German - Carafa II0.25 lb Carafa II 32 425 2.3%
0.75 lb Proximity - Pale Chocolate0.75 lb Pale Chocolate 32 300 6.8%
0.50 lb Crisp Malting - Crystal Dark - 77L0.5 lb Crystal Dark - 77L 33.1 77 4.5%
11 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1 oz East Kent Goldings1 oz East Kent Goldings Hops Pellet 5 Boil 60 min 15.66 50%
1 oz East Kent Goldings1 oz East Kent Goldings Hops Pellet 5 Boil 20 min 9.48 50%
2 oz / $ 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
7.5 gal Batch Sparge 125 °F 150 °F 60 min
 
Other Ingredients
Amount Name Cost Type Use Time
1 each Campden Tablets Water Agt Mash 1 hr.
0.50 tsp Five Star Chemicals - Super Moss Fining Mash 10 min.
0.50 oz Wyeast - Beer Nutrient Other Mash 10 min.
 
Yeast
BSI - Andechs Lager
Amount:
2 Liters
Cost:
Attenuation (avg):
73%
Flocculation:
Medium
Optimum Temp:
50 - 54 °F
Starter:
Yes
Fermentation Temp:
52 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 92 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 9.72 psi       Temp: 35 °F       CO2 Level: 2.5 Volumes
 
Target Water Profile
East Larimer County
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
"Pre-Prohibition Porter" Pre-Prohibition Porter beer recipe by Gregg Johnson. BIAB, ABV 4.99%, IBU 25.14, SRM 27.59, Fermentables: (Genie Pale 2-Row, Genie Munich, Flaked Corn, Carafa II, Pale Chocolate, Crystal Dark - 77L) Hops: (East Kent Goldings) Other: (Campden Tablets, Super Moss, Beer Nutrient)
Recipe Picture
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Recipe QR Code
  • Public: Yup, Shared
  • Last Updated: 2026-04-18 22:32 UTC
NEW Water Requirements:
Pre-Prohibition Porter
Equipment Profile Used

System Default

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Water Requirements:
Pre-Prohibition Porter
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Recipe Cost $ (USD)
Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.
Gallons
Cost $ Cost %
Fermentables $
Steeping Grains
(Extract Only)		 $
Hops $
Yeast $
Other $
Cost Per Barrel $ 0.00
Cost Per Pint $ 0.00
Total Cost $ 0.00
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