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London Porter System


Details

Beer Style
12B Robust Porter (BJCP)
Brewing Method
All grain 
Brew Type
Ale 
Recipe Efficiency
80%
Recipe Volume
6.5 gal 
Boil Volume
7.72 gal 
Boil Time
60 min 
Maximum Extract
555.4 points
Potential Extract
444.3 points (80% from recipe)
Anticipated OG
1.068 SG
Boil SG
1.058 SG (at start of boil)
Anticipated Color
36.7 SRM     
Estimated IBU
31.1 IBU
Estimated FG
1.016 SG
Estimated Alcohol
6.8 %abv
Fermentation
Primary 30 d, Secondary 7 d, and Lager 28 d
Mash
60 m @ 156 tempF

Style Compliance

12B Robust Porter
Original Gravity
1.048-1.065 SG
Final Gravity
1.012-1.016 SG
Alcohol
4.8-6.5 %abv
Bitterness
25.0-50.0 IBU
Color
22.0-35.0 SRM
 
OG
1.068 SG High
FG
1.016 SG High
Alcohol
6.8 %abv High
Bitterness
31.1 IBU
Color
36.7 SRM High
Overall Compliance: 20.0%

Fermentables

Name Amount Color Potential % Grist
Briess 2-Row 12.7 lbs 1.8 °L 37 ppg 82.8 %
Briess Caramel 60L 1.1 lbs 60.0 °L 34 ppg 7.2 %
Briess Black Barley 0.6 lbs 500.0 °L 32 ppg 3.9 %
Dingemans Chocolate 0.6 lbs 340.0 °L 30 ppg 3.9 %
Briess Roasted Barley 0.33 lbs 300.0 °L 33 ppg 2.2 %
Totals 15.3 lbs 555.4 points 100%

Fermentables

Name: Briess 2-Row
Amount: 12.7 lbs
Color: 1.8 °L
Potential: 37 ppg
% Grist82.8 %
Name: Briess Caramel 60L
Amount: 1.1 lbs
Color: 60.0 °L
Potential: 34 ppg
% Grist7.2 %
Name: Briess Black Barley
Amount: 0.6 lbs
Color: 500.0 °L
Potential: 32 ppg
% Grist3.9 %
Name: Dingemans Chocolate
Amount: 0.6 lbs
Color: 340.0 °L
Potential: 30 ppg
% Grist3.9 %
Name: Briess Roasted Barley
Amount: 0.33 lbs
Color: 300.0 °L
Potential: 33 ppg
% Grist2.2 %
Totals
Amount: 15.3 lbs
Potential: 555.4 points
% Grist: 100%

Hops

Hop Amount IBU When Time
Fuggle 2.50 oz @ 4.2 %AA (10.0 AAU) 27.3 (28.1 %) Boil 60 min
Fuggle 0.50 oz @ 4.2 %AA (2.0 AAU) 2.7 (14.0 %) Boil 15 min
Fuggle 0.50 oz @ 4.2 %AA (2.0 AAU) 1.1 (5.6 %) Boil 5 min
Fuggle 0.50 oz @ 4.2 %AA (2.0 AAU) 0.0 (0.0 %) Boil 0 min
Totals 4.0 oz
Hop: Fuggle
Amount: 2.5 oz
%AA: 4.2
When: Boil
Time: 60 min
Hop: Fuggle
Amount: 0.5 oz
%AA: 4.2
When: Boil
Time: 15 min
Hop: Fuggle
Amount: 0.5 oz
%AA: 4.2
When: Boil
Time: 5 min
Hop: Fuggle
Amount: 0.5 oz
%AA: 4.2
When: Boil
Time: 0 min
Totals
Amount: 4.0 oz

Yeast

Name Attenuation When
White Labs WLP001 California Ale 76 % Primary
Name: White Labs WLP001 California Ale
Attenuation: 76 %
When: Primary
 
 
 
Recipe Source: Chris