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Barmy Gaffer

221 calories 21.8 g 12 oz
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Beer Stats
Method: BIAB
Style: English IPA
Boil Time: 60 min
Batch Size: 5.25 gallons (fermentor volume)
Pre Boil Size: 6 gallons
Post Boil Size: 5.5 gallons
Post Boil Gravity: 1.064 (recipe based estimate)
Efficiency: 76% (brew house)
Source: Tristan
Calories: 221 calories (Per 12oz)
Carbs: 21.8 g (Per 12oz)
Created: Thursday May 7th 2026
1.067
1.015
6.8%
52.1
10.3
5.3
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
11 lb Warminster Maltings - Maris Otter11 lb Maris Otter $ 0.00 / lb
$ 0.00 		36 3.5 88%
0.75 lb US - Corn Sugar - Dextrose0.75 lb Corn Sugar - Dextrose - (late boil kettle addition) $ 0.00 / lb
$ 0.00 		42 0.5 6%
0.75 lb Simpsons - Crystal Medium0.75 lb Crystal Medium $ 0.00 / lb
$ 0.00 		33 65.01 6%
12.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
2 oz East Kent Goldings2 oz East Kent Goldings Hops $ 0.00 / oz
$ 0.00 		Pellet 5 First Wort at 212 °F 60 min 38.6569 40%
1 oz East Kent Goldings1 oz East Kent Goldings Hops $ 0.00 / oz
$ 0.00 		Pellet 6.3 Boil at 212 °F 20 min 13.4081 20%
1 oz East Kent Goldings1 oz East Kent Goldings Hops $ 0.00 / oz
$ 0.00 		Pellet 5 Whirlpool at 212 °F 20 min 20%
1 oz East Kent Goldings1 oz East Kent Goldings Hops $ 0.00 / oz
$ 0.00 		Pellet 5 Dry Hop at 212 °F 3 days 20%
5 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
8 g Gypsum $ 0.00 / oz
$ 0.00 		Water Agt Mash --
3 g Calcium Chloride (anhydrous) $ 0.00 / oz
$ 0.00 		Water Agt Mash --
2 g Epsom Salt $ 0.00 / oz
$ 0.00 		Water Agt Mash --
 
Yeast
Imperial Yeast - A09 Pub
Amount:
1 Each
Cost:
$ 0.00 / each
$ 0.00
Attenuation (custom):
69%
Flocculation:
Very High
Optimum Temp:
64 - 70 °F
Starter:
No
Fermentation Temp:
66 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 114 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: sucrose       Temp: 68 °F      
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
80 80 25 75 80 100
Mash Chemistry and Brewing Water Calculator
Quick Water Requirements
Water Gallons  Quarts
Strike water volume (equipment estimates 8.56 g | 34.2 qt) 7.72 30.9  
Mash volume with grains (equipment estimates 9.5 g | 38 qt) 8.66 34.6  
Grain absorption losses -1.47 -5.9  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 6.84 g | 27.4 qt) 6 24  
Volume increase from sugar/extract (late additions) 0.06 0.2  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.11 -0.5  
Post boil Volume (equipment estimates 5.29 g | 21.2 qt) 5.5 22  
Hops absorption losses (whirlpool, hop stand) -0.04 -0.2  
WARNING: Exceeded batch size - reduce boil size    
Volume into fermentor (equipment estimates 5.46 g | 21.9 qt) 5.25 21  
Total: 7.72 30.9
Equipment Profile Used: System Default
"Barmy Gaffer" English IPA beer recipe by Tristan. BIAB, ABV 6.78319%, IBU 52.0651, SRM 10.2886, Fermentables: (Maris Otter, Corn Sugar - Dextrose, Crystal Medium) Hops: (East Kent Goldings) Other: (Gypsum, Calcium Chloride (anhydrous), Epsom Salt)
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  • Public: Yup, Shared
  • Last Updated: 2026-05-08 14:48 UTC