Thunderhead Porter System


Details

Brewing Method
All grain 
Brew Type
Ale 
Recipe Efficiency
75%
Recipe Volume
5 gal 
Boil Volume
6.59 gal 
Boil Time
80 min 
Maximum Extract
347.0 points
Potential Extract
260.3 points (75% from recipe)
Anticipated OG
1.052 SG
Boil SG
1.039 SG (at start of boil)
Anticipated Color
36.4 SRM     
Estimated IBU
33.9 IBU
Estimated FG
1.015 SG
Estimated Alcohol
4.9 %abv
Fermentation
Primary 7 d, Secondary 7 d, and Lager 28 d
Mash
60 m @ 158 tempF

Style Compliance

12A Brown Porter
Original Gravity
1.040-1.052 SG
Final Gravity
1.008-1.014 SG
Alcohol
4.0-5.4 %abv
Bitterness
18.0-35.0 IBU
Color
20.0-30.0 SRM
 
OG
1.052 SG High
FG
1.015 SG High
Alcohol
4.9 %abv
Bitterness
33.9 IBU
Color
36.4 SRM High
Overall Compliance: 40.0%

Fermentables

Name Amount Color Potential % Grist
Briess 2-Row 5.5 lbs 1.8 °L 37 ppg 57.9 %
Gambrinus Wheat Malt 2.5 lbs 2.3 °L 38 ppg 26.3 %
Briess Black Barley 0.5 lbs 500.0 °L 32 ppg 5.3 %
Weyermann Dehusked Carafa II 0.5 lbs 430.0 °L 32 ppg 5.3 %
Briess Caramel 90L 0.5 lbs 90.0 °L 33 ppg 5.3 %
Totals 9.5 lbs 347.0 points 100%

Fermentables

Name: Briess 2-Row
Amount: 5.5 lbs
Color: 1.8 °L
Potential: 37 ppg
% Grist57.9 %
Name: Gambrinus Wheat Malt
Amount: 2.5 lbs
Color: 2.3 °L
Potential: 38 ppg
% Grist26.3 %
Name: Briess Black Barley
Amount: 0.5 lbs
Color: 500.0 °L
Potential: 32 ppg
% Grist5.3 %
Name: Weyermann Dehusked Carafa II
Amount: 0.5 lbs
Color: 430.0 °L
Potential: 32 ppg
% Grist5.3 %
Name: Briess Caramel 90L
Amount: 0.5 lbs
Color: 90.0 °L
Potential: 33 ppg
% Grist5.3 %
Totals
Amount: 9.5 lbs
Potential: 347.0 points
% Grist: 100%

Hops

Hop Amount IBU When Time
Northern Brewer 1.00 oz @ 7.1 %AA (7.0 AAU) 23.7 (29.7 %) Fwh 30 min
Golding 0.50 oz @ 5.9 %AA (2.5 AAU) 8.1 (28.6 %) Boil 30 min
Golding 0.50 oz @ 5.9 %AA (2.5 AAU) 2.1 (7.4 %) Boil 5 min
Totals 2.0 oz
Hop: Northern Brewer
Amount: 1 oz
%AA: 7.1
When: Fwh
Time: 30 min
Hop: Golding
Amount: 0.5 oz
%AA: 5.9
When: Boil
Time: 30 min
Hop: Golding
Amount: 0.5 oz
%AA: 5.9
When: Boil
Time: 5 min
Totals
Amount: 2.0 oz

Yeast

Name Attenuation When
White Labs WLP028 Edinburgh Ale 72 % Primary
Name: White Labs WLP028 Edinburgh Ale
Attenuation: 72 %
When: Primary
 

Additives

Name Amount When Time
Whirlfloc 1 each Boil 15 min
Name: Whirlfloc
Amount: 1 each
When: Boil
Time: 15 min
 
 
Recipe Source: Colin M. Brougham