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2009-10-17 Impromtu Amber

A ProMash Brewing Session Report

Brewing Date: Saturday October 17, 2009
Head Brewer: Roy Roberts
Asst Brewer:   
Recipe: Impromtu Amber


BJCP Style and Style Guidelines
06-B American Pale Ales, American Amber Ale

Min OG: 1.045 Max OG: 1.056   
Min IBU: 20 Max IBU: 40   
Min Clr: 11 Max Clr: 18  Color in SRM, Lovibond


Recipe Specifics
Batch Size (Gal): 7.00 Wort Size (Gal): 7.00
Total Grain (Lbs): 14.25      
Anticipated OG: 1.057 Plato: 14.13
Anticipated SRM: 13.9        
Anticipated IBU: 31.6      
Brewhouse Efficiency: 75  %   
Wort Boil Time: 60  Minutes   

Actual OG: 1.057 Plato: 14.13   
Actual FG: 1.012 Plato: 3.07   
Alc by Weight: 4.68 by Volume: 5.98 From Measured Gravities.
ADF: 78.3 RDF: 65.2 Apparent & Real Degree of Fermentation.

Actual Mash System Efficiency: 75 %
Anticipated Points From Mash: 57.37
Actual Points From Mash: 57.37


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: Rager

Additional Utilization Used For First Wort Hops: -10 %


Grain/Extract/Sugar
% Amount Name Origin Potential SRM
91.2 13.00 lbs.  Pale Malt(2-row) Great Britain 1.038 3
0.9 0.13 lbs.  Carafa Germany 1.030 400
4.4 0.63 lbs.  Special B Malt Belgian 1.030 147
3.5 0.50 lbs.  Wheat Malt America 1.038 2

Potential represented as SG per pound per gallon.

Hops
Amount Name Form Alpha IBU Boil Time
1.00 oz.  Amarillo - G&G Whole 8.00 22.2 First WH
2.00 oz.  Cascade Homegrown Whole 4.50 9.3 20 min


Yeast
White Labs WLP008 East Coast/Alt Ale


Mash Schedule
Mash Name:    dual infuse good
Total Grain Lbs: 14.25   
Total Water Qts: 18.52 Before Additional Infusions
Total Water Gal: 4.63 Before Additional Infusions
Tun Thermal Mass: 0.05   
Grain Temp: 75.00 F   


Step Name
Step
Time
Rest
Time
Start
Temp
Stop
Temp
Heat
Type
Infuse
Temp
Infuse
Amount
Infuse
Ratio
First Infuse 2 45 153 152 Infuse 166 18.52 1.30
Second Infuse 5 15 162 162 Infuse 211 4.36 1.61

Total Water Qts: 22.89 After Additional Infusions
Total Water Gal: 5.72 After Additional Infusions
Total Mash Volume Gal: 6.86 After Additional Infusions

Runnings Stopped At: 1.010 SG 2.56 Plato

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




Mash Schedule


Fermentation Specifics
Pitched From: Starter
Amount Pitched: 0 mL
Lag Time: 0.00 hours

Primary Fermenter: Glass
Primary Type: Closed
Days In Primary: 0
Primary Temperature: 68 degrees F

Original Gravity: 1.057 SG 14.13 Plato
Finishing Gravity: 1.012 SG 3.07 Plato



Mash Notes
Last runnings slightly sweet, no astringency. Homegrown hops were wet and fresh, gravity readings estimated. No gravity readings taken at any point.




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