Firth of Forth Beer Recipe | All Grain Scottish Heavy | Brewer's Friend
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Firth of Forth

142 calories 14.9 g 12 oz
Beer Stats
Method: All Grain
Style: Scottish Heavy
Boil Time: 60 min
Batch Size: 4 gallons (fermentor volume)
Pre Boil Size: 5.54 gallons
Post Boil Size: 4.5 gallons
Pre Boil Gravity: 1.035 (recipe based estimate)
Post Boil Gravity: 1.043 (recipe based estimate)
Efficiency: 65% (brew house)
Calories: 142 calories (Per 12oz)
Carbs: 14.9 g (Per 12oz)
Created: Wednesday April 1st 2026
1.043
1.011
4.2%
21.5
14.1
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
5 lb Warminster Maltings - Maris Otter5 lb Maris Otter 36 3.5 66.7%
0.50 lb Simpsons - Crystal Light 0.5 lb Crystal Light 33.1 38.03 6.7%
1 lb Munich - Light 10L1 lb Munich - Light 10L 33 10 13.3%
0.50 lb Dingemans - Chocolate Rye0.5 lb Chocolate Rye 30 115 6.7%
0.50 lb American - White Wheat0.5 lb White Wheat 40 2.8 6.7%
7.50 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.50 oz East Kent Goldings0.5 oz East Kent Goldings Hops Pellet 5.8 Boil 60 min 15.78 50%
0.50 oz East Kent Goldings0.5 oz East Kent Goldings Hops Pellet 5.8 Boil 10 min 5.72 50%
1 oz / 0.00
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
2.81 gal Strike 163 °F 154 °F 60 min
Starting Mash Thickness: 1.5 qt/lb
Starting Grain Temp: 66 °F
 
Yeast
Omega Yeast Labs - Scottish Ale OYL-015
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Medium
Optimum Temp:
65 - 70 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 57 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 1.02 Volumes
 
Target Water Profile
Columbus, Ohio Hap Cremean 2017
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
"Firth of Forth" Scottish Heavy beer recipe by Pat's Pints. All Grain, ABV 4.22%, IBU 21.5, SRM 14.07, Fermentables: (Maris Otter, Crystal Light , Munich - Light 10L, Chocolate Rye, White Wheat) Hops: (East Kent Goldings)
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  • Public: Yup, Shared
  • Last Updated: 2026-04-01 20:33 UTC
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