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Gregory Porter

From the BrewBlog of Velkommen til – Gvarv, Telemark Norway
Printed June 23, 2018

Specifics
Style: Robust Porter
Contributor: Thomas Hellberg Hagen
Yield: 50 liters
Color (EBC/SRM): 67.6/34.3
Bitterness (Calc): 28.3 IBU (Tinseth)
BU/GU: 0.49
Calories: 195 (12 ounces)
ABV: 5.1%
ABW: 4%
OG: 1.058
OG (Plato): 14.27° P
FG: 1.020
FG (Plato): 5.08° P
Real Extract: 6.74° P
App. Atten.: 64.4%
Real Atten.: 52.8%
BJCP Style Info: Robust Porter
O.G.: 1.048 - 1.065
F.G.: 1.012 - 1.016
ABV: 4.8 - 6.5%
Bitterness: 25 - 50 IBUs
Color: 22 - 35 SRM
Info: A substantial, malty dark ale with a complex and flavorful roasty character.

Commercial Examples: Great Lakes Edmund Fitzgerald Porter, Meantime London Porter, Anchor Porter, Smuttynose Robust Porter, Sierra Nevada Porter, Deschutes Black Butte Porter, Boulevard Bully! Porter, Rogue Mocha Porter, Avery New World Porter, Bell’s Porter, Great Divide Saint Bridget’s Porter.

General Information
Method: All Grain
Malts and Grains
10.92 kilograms Maris Otter Malt 79.3% of grist
1.26 kilograms Brown Malt 9.2% of grist
1.06 kilograms Crystal 40 7.7% of grist
0.53 kilograms Carafa special III malt 3.8% of grist
13.77 kilograms Total Grain Weight 100% of grist
Non-Fermentables
0.01 Irish Moss @ 15 minutes  
0 Yeast Nutrient @ 15 minutes  
Hops
100.00 grams East Kent Golding 5.1% @ 60 minutes
Use: Boil
510 AAUs
64.00 grams Fuggles 4.4% @ 10 minutes
Use: Boil
281.6 AAUs
164.00 grams Total Hop Weight 791.6 AAUs
Boil
Total Boil Time: 60 minutes
Yeast
Name: Dry English Ale
Manufacturer: White Labs
Product ID: WLP007
Type: Ale
Flocculation: High
Attenuation: 75%
Temperature Range: 18–21°C
Amount: 3000 ml
Fermentation
Primary: 14 days @ 19° C
Gregory Porter
Date Brewed:  
Brewer/Assistant:  
Brew Day Data
  Target Actual
Strike Water Amount: 34.4  
Strike Water Temperature:    
Mash Temperature:    
Mash Time:    
Sparge Water Amount: 51.5  
Sparge Water Temperature:    
Pre-Boil Gravity:    
Pre-Boil Amount: 57.7  
Post-Boil Amount: 50  
Boil Time: 60  
Original Gravity: 1.058 / 14.3° P  
     
     
     
     
Brew Day Notes
 

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