zymurgeek
All Grain, 10 Gal.
Club Oktoberfest 07

A ProMash Recipe Report



BJCP Style and Style Guidelines
03-B European Amber Lager, Oktoberfest/Maerzen

Min OG: 1.050 Max OG: 1.056   
Min IBU: 20 Max IBU: 28   
Min Clr: 7 Max Clr: 14  Color in SRM, Lovibond


Recipe Specifics
Batch Size (Gal): 10.00 Wort Size (Gal): 10.00
Total Grain (Lbs): 21.31      
Anticipated OG: 1.056 Plato: 13.79
Anticipated SRM: 11.7        
Anticipated IBU: 25.7      
Brewhouse Efficiency: 75  %   
Wort Boil Time: 65  Minutes   


Pre-Boil Amounts
Evaporation Rate: 1.65  Gallons Per Hour   
Pre-Boil Wort Size: 11.79  Gal   
Pre-Boil Gravity: 1.047  SG 11.78 Plato


Formulas Used
Brewhouse Efficiency and Predicted Gravity based on Method #1, Potential Used.
Final Gravity Calculation Based on Points.
Hard Value of Sucrose applied. Value for recipe: 46.2100 ppppg
% Yield Type used in Gravity Prediction: Fine Grind Dry Basis.

Color Formula Used: Morey
Hop IBU Formula Used: TinsethTinseth Concentration Factor: 1.25


Grain/Extract/Sugar
% Amount Name Origin Potential SRM
37.5 8.00 lbs.  Pilsener, Gambrinus Canada 1.036 2
44.6 9.50 lbs.  Munich Malt(light) Canada 1.034 10
12.9 2.75 lbs.  Vienna Malt Canada 1.036 4
4.7 1.00 lbs.  Crystal 60L organic America 1.034 60
0.3 0.06 lbs.  Chocolate Malt America 1.029 350

Potential represented as SG per pound per gallon.

Hops
Amount Name Form Alpha IBU Boil Time
0.80 oz.  Saaz, NZ Organic Whole 7.00 10.1 60 min
0.80 oz.  Hallertauer NZ Organic Whole 7.50 10.9 60 min
0.50 oz.  Hallertauer NZ Organic Whole 7.50 4.7 25 min


Extras
Amount Name Type Time
1.00 Unit(s)  WhirlFloc Irish Moss tablets Fining 8 Min.(boil)


Yeast
White Labs WLP820 Octoberfest - Marzen


Mash Schedule
Mash Name:    Octoberfest batch sparge
Total Grain Lbs: 21.31   
Total Water Qts: 23.23 Before Additional Infusions
Total Water Gal: 5.81 Before Additional Infusions
Tun Thermal Mass: 0.03   
Grain Temp: 65.00 F   


Step Name
Step
Time
Rest
Time
Start
Temp
Stop
Temp
Heat
Type
Infuse
Temp
Infuse
Amount
Infuse
Ratio
sugar rest 5 60 152 152 Infuse 167 23.23 1.09
mashout 5 10 170 169 Infuse 207 13.37 1.72

Total Water Qts: 36.60 After Additional Infusions
Total Water Gal: 9.15 After Additional Infusions
Total Mash Volume Gal: 10.86 After Additional Infusions

All temperature measurements are degrees Fahrenheit.
All infusion amounts are in Quarts.
All infusion ratios are Quarts/Lbs.



Notes
Irish moss can be used instead of Whirlfloc.
Use a large starter, and cool your wort to 52 - 55 °F before pitching. Ferment 1 1/2 weeks or until fermentation is almost finished, transfer to secondary, and slowly lower temp to 35 °F (5 ° per day). Keep at 35 ° for 4-6 weeks and keg.




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