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Surley Imperial Brown Ale

From the BrewBlog of BorealBrewers – Grand Rapdis, Minnesota USA
Printed January 23, 2018

Specifics
Style: American Brown Ale
Brewer: Chad Haatvedt
Brew Date: October 10, 2009
Yield: 4 gallons
Calories: 268 (12 ounces)
Conditioning: Keg
ABV: 8.3%
ABW: 6.5%
OG: 1.081
OG (Plato): 19.55° P
FG: 1.019
FG (Plato): 4.7° P
Real Extract: 7.39° P
App. Atten.: 75.9%
Real Atten.: 62.2%
BJCP Style Info: American Brown Ale
O.G.: 1.045 - 1.060
F.G.: 1.010 - 1.016
ABV: 4.3 - 6.2%
Bitterness: 20 - 40 IBUs
Color: 18 - 35 SRM
Info: Can be considered a bigger, maltier, hoppier interpretation of Northern English brown ale or a hoppier, less malty Brown Porter, often including the citrus-accented hop presence that is characteristic of American hop varieties.

Commercial Examples: Bell’s Best Brown, Smuttynose Old Brown Dog Ale, Big Sky Moose Drool Brown Ale, North Coast Acme Brown, Brooklyn Brown Ale, Lost Coast Downtown Brown, Left Hand Deep Cover Brown Ale.

General Information
Method: All Grain

This is the beer offered as wort at the AHA Rally at Surly Brewing.  Both of my primary fermentors were busy, so I brought a 5 gal secondary to the event.  I got four gallons of wort.

That's me in the brown hat at 10 seconds.

Here is a 9 minute clip of the rally...

Comments

I kegged this bugger on 19-Dec-2009.  The FG was 1.0185.  Beautify clear brown color, a bit sweet.  We'll see how it tasts when done carbonating.

Mash Profile

Cereal Mash and Single Infusion Mash

Grain Temperature: 72°F Tun Temperature: 72°F
Sparge Temperature: 168°F PH: 5.4
Notes:

Boil cereal adjuncts to add to infusion mash.

Steps

# Name Type Time Temp. Description
1 Protein Rest Infusion 30 min. 104°F

Add 30% of mash water at 111° F / 44° C

2 Protein Rest Infusion 45 min. 122°F

Add 10% of mash water at 181° F / 83° C

3 Saccharification Infusion 60 min. 150°F

Add 25% of mash water at 200° F / 93° C

4 Mash Out Infusion 10 min. 168°F

Add 35% of mash water at 208° F / 98° C

Fermentation
Primary: 25 days @ 68° F
Secondary: 42 days @ 65° F
Surley Imperial Brown Ale
Date Brewed:  
Brewer/Assistant:  
Brew Day Data
  Target Actual
Strike Water Amount: 0  
Strike Water Temperature:    
Mash Temperature:    
Mash Time:    
Sparge Water Amount: 6.7  
Sparge Water Temperature:    
Pre-Boil Gravity:    
Pre-Boil Amount: 5.7  
Post-Boil Amount: 4  
Boil Time:  
Original Gravity: 1.081 / 19.6° P  
     
     
     
     
Brew Day Notes
 

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