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2004-09-06 Lou's Brews Imperial IPA

A ProMash Brewing Session Report

Brewing Date: Monday September 06, 2004
Head Brewer: Lou King
Asst Brewer: Batch 43
Recipe: Lou's Brews Imperial IPA


BJCP Style and Style Guidelines
07-C India Pale Ale, Imperial IPA

Min OG: 1.075 Max OG: 1.090   
Min IBU: 60 Max IBU: 100   
Min Clr: 8 Max Clr: 15  Color in SRM, Lovibond


Recipe Specifics
Batch Size (Gal): 5.00 Wort Size (Gal): 6.00
Total Grain (Lbs): 16.50      
Anticipated OG: 1.080 Plato: 19.43
Anticipated SRM: 9.6        
Anticipated IBU: 107.6      
Brewhouse Efficiency: 68  %   
Wort Boil Time: 75  Minutes   

Actual OG: 1.074 Plato: 17.89   
Actual FG: 1.016 Plato: 4.14   
Alc by Weight: 5.92 by Volume: 7.60 From Measured Gravities.
ADF: 76.8 RDF: 64.3 Apparent & Real Degree of Fermentation.

Actual Mash System Efficiency: 68 %
Anticipated Points From Mash: 80.44
Actual Points From Mash: 80.95


Grain/Extract/Sugar
% Amount Name Origin Potential SRM
84.8 14.00 lbs.  Pale Malt(2-row) America 1.036 2
15.2 2.50 lbs.  Crystal 20L America 1.035 20

Potential represented as SG per pound per gallon.

Hops
Amount Name Form Alpha IBU Boil Time
1.00 oz.  Wye Target Pellet 10.60 53.9 First WH
0.50 oz.  Chinook Pellet 11.90 28.8 75 min
1.00 oz.  Perle Pellet 7.10 16.4 30 min
1.00 oz.  Cluster Pellet 7.00 8.5 15 min
3.00 oz.  Cascade Whole 5.40 0.0 Dry Hop


Yeast
White Labs WLP007 Dry English Ale


Mash Schedule
Mash Type: Single Step   
Heat Type: Direct   
Grain Lbs: 16.50   
Water Qts: 18.98 Before Additional Infusions
Water Gal: 4.74 Before Additional Infusions
Qts Water Per Lbs Grain: 1.15 Before Additional Infusions
Tun Thermal Mass: 0.30   
Grain Temp: 75 F Before Additional Infusions

Rest Temp Time
Dough In: 169 0 Min
Saccharification Rest: 148 60 Min
Mash-out Rest: 16 10 Min
Sparge: 17 25 Min

Total Mash Volume Gal: 6.07 - After Additional Infusions

Runnings Stopped At: 1.018 SG 4.61 Plato

All temperature measurements are degrees Fahrenheit.


Efficiency Specifics
Recipe Efficiency Setting: 68 %

With sparge water, mash water, additional infusions, vessel losses, top-up
water and evaporation rate recorded in the Water Needed Calculator:

Target Volume (Gal): 7.51      
Estimated OG: 1.054 Plato: 13.22

Raw Pre-Boil Targets - only targeted volume/gravity and evaporation
rate taken into account:
Target Volume (Gal): 7.38      
Estimated OG: 1.054 Plato: 13.44

Post-Boil Targets:
Target Volume (Gal): 5.00      
Estimated OG: 1.080 Plato: 19.43

Recorded Actuals - Measurement Taken In Kettle:
Recorded Volume (Gal): 7.00      
Recorded OG: 1.058 Plato: 14.23

At 100 percent extraction from the maximum mash potential:
Total Points: 118.30
Points From Mash: 118.30
Points From Extract/Sugar: 0.00

With the recipe efficiency setting, you should have achieved:
Total Points: 80.44
Points From Mash: 80.44
Points From Extract/Sugar: 0.00

Actuals achieved were:
Actual Points From Mash: 80.95
Actual Mash System Efficiency: 68 %


Fermentation Specifics
Pitched From: Starter
Amount Pitched: 24 OZ
Lag Time: 5.00 hours

Primary Fermenter: Stainless Steel
Primary Type: Closed
Days In Primary: 6
Primary Temperature: 70 degrees F

Original Gravity: 1.074 SG 17.89 Plato
Finishing Gravity: 1.016 SG 4.14 Plato





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