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Contrary Evidence

167 calories 14.8 g 330 ml
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Beer Stats
Method: All Grain
Style: American Porter
Boil Time: 60 min
Batch Size: 1900 liters (fermentor volume)
Pre Boil Size: 2100 liters
Post Boil Size: 2000 liters
Pre Boil Gravity: 1.052 (recipe based estimate)
Post Boil Gravity: 1.055 (recipe based estimate)
Efficiency: 79% (brew house)
Source: Iain Warren
Calories: 167 calories (Per 330ml)
Carbs: 14.8 g (Per 330ml)
Created: Friday July 25th 2025
1.055
1.010
5.8%
24.0
44.0
5.4
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
225 kg Gambrinus - Pale Malt225 kg Pale Malt 37.3 2.1 50.9%
50 kg American - Vienna50 kg Vienna 35 4 11.3%
25 kg Flaked Oats25 kg Flaked Oats 33 2.2 5.7%
25 kg Bairds - Dextrin Malt25 kg Dextrin Malt 32.2 1.75 5.7%
25 kg Rahr - White Wheat25 kg White Wheat 39.1 3.2 5.7%
25 kg Simpsons - Chocolate Malt25 kg Chocolate Malt 31.7 444 5.7%
25 kg United Kingdom - Pale Chocolate25 kg Pale Chocolate 33 207 5.7%
25 kg German - Chocolate Wheat25 kg Chocolate Wheat 31 413 5.7%
7 kg German - Carafa II7 kg Carafa II 32 425 1.6%
10 kg Simpsons - DRC10 kg DRC 34.7 115 2.3%
442 kg / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
1,250 g Magnum1250 g Magnum Hops Pellet 13.3 First Wort 60 min 24 100%
1,250 g / $ 0.00
 
Yeast
Fermentis - Safale - American Ale Yeast US-05
Amount:
1 Each
Cost:
Attenuation (avg):
81%
Flocculation:
Medium
Optimum Temp:
12 - 25 °C
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 9024 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.75 Volumes
 
Target Water Profile
Vancouver, BC, Canada
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
Quick Water Requirements
Water Liters
WARNING: Boil kettle capacity (45.4 L) exceeded. Volume required: 1911.95 L. Suggest reducing initial water volume to 45.4 L and adding 1866.55 L sparge/top-off.  
WARNING: Mash tun capacity exceeded. Volume required: 1675.18 L 1383.5
Strike water volume at mash thickness of 3.1 L/kg 1383.5
Mash volume with grains 1675.2
Grain absorption losses -442
Remaining sparge water volume (equipment estimates 971.4 L) 1159.4
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 1912 L) 2100
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -6.3
Post boil Volume (equipment estimates 1900 L) 2000
WARNING: Exceeded batch size - reduce boil size  
Going into fermentor (equipment estimates 2000 L) 1900
Total: 2542.9  
Equipment Profile Used: System Default
"Contrary Evidence" American Porter beer recipe by Iain Warren. All Grain, ABV 5.8%, IBU 24, SRM 43.96, Fermentables: (Pale Malt, Vienna, Flaked Oats, Dextrin Malt, White Wheat, Chocolate Malt, Pale Chocolate, Chocolate Wheat, Carafa II, DRC) Hops: (Magnum)
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  • Public: Yup, Shared
  • Last Updated: 2025-07-25 22:22 UTC