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Cowboy Alt System


Details

Beer Style
7C Düsseldorf Altbier (BJCP)
Brewing Method
All grain 
Brew Type
Ale 
Recipe Efficiency
70%
Recipe Volume
5 gal 
Boil Volume
7 gal 
Boil Time
90 min 
Maximum Extract
438.0 points
Potential Extract
306.6 points (70% from recipe)
Anticipated OG
1.061 SG
Boil SG
1.044 SG (at start of boil)
Anticipated Color
16.2 SRM     
Estimated IBU
42.3 IBU
Estimated FG
1.015 SG
Estimated Alcohol
6.0 %abv
Mash
90 m @ 149 tempF

Style Compliance

7C Düsseldorf Altbier
Original Gravity
1.046-1.054 SG
Final Gravity
1.010-1.015 SG
Alcohol
4.5-5.2 %abv
Bitterness
35.0-50.0 IBU
Color
11.0-17.0 SRM
 
OG
1.061 SG High
FG
1.015 SG High
Alcohol
6.0 %abv High
Bitterness
42.3 IBU
Color
16.2 SRM
Overall Compliance: 40.0%

Fermentables

Name Amount Color Potential % Grist
Gambrinus Pilsner Malt 8 lbs 1.5 °L 38 ppg 68.4 %
Gambrinus Munich Light 2 lbs 10.0 °L 37 ppg 17.1 %
Dingemans Aromatic 16 oz 19.0 °L 37 ppg 8.6 %
Briess Caramel 60L 8 oz 60.0 °L 34 ppg 4.3 %
Weyermann Dehusked Carafa II 3 oz 430.0 °L 32 ppg 1.6 %
Totals 11.7 lbs 438.0 points 100%

Fermentables

Name: Gambrinus Pilsner Malt
Amount: 8 lbs
Color: 1.5 °L
Potential: 38 ppg
% Grist68.4 %
Name: Gambrinus Munich Light
Amount: 2 lbs
Color: 10.0 °L
Potential: 37 ppg
% Grist17.1 %
Name: Dingemans Aromatic
Amount: 16 oz
Color: 19.0 °L
Potential: 37 ppg
% Grist8.6 %
Name: Briess Caramel 60L
Amount: 8 oz
Color: 60.0 °L
Potential: 34 ppg
% Grist4.3 %
Name: Weyermann Dehusked Carafa II
Amount: 3 oz
Color: 430.0 °L
Potential: 32 ppg
% Grist1.6 %
Totals
Amount: 11.7 lbs
Potential: 438.0 points
% Grist: 100%

Hops

Hop Amount IBU When Time
Magnum 0.80 oz @ 13.0 %AA (10.4 AAU) 38.6 (34.7 %) Boil 60 min
Tettnang 0.50 oz @ 4.0 %AA (2.0 AAU) 3.7 (17.2 %) Boil 15 min
Totals 1.3 oz
Hop: Magnum
Amount: 0.8 oz
%AA: 13.0
When: Boil
Time: 60 min
Hop: Tettnang
Amount: 0.5 oz
%AA: 4.0
When: Boil
Time: 15 min
Totals
Amount: 1.3 oz

Yeast

Name Attenuation When
Wyeast 1007 German Ale 75 % Primary
Name: Wyeast 1007 German Ale
Attenuation: 75 %
When: Primary
 
 
 
Recipe Source: Brewing Classic Styles: Zainasheff, Jamil; Palmer, John J.