Rookery Brown Ale

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

Style: American Brown Ale
Brewer: Chad Haatvedt
Brew Date: February 8, 2010
Yield: 6 gallons
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

Brewing this at the Beginners' Homebrewing Class at ICC

Malts and Grains
11.00 pounds American Pale Malt (2-Row) 84.6% of grist
0.50 pounds Crystal Malt 80L 3.8% of grist
1.00 pounds Crystal Malt 40L 7.7% of grist
0.50 pounds Crystal Malt 120L 3.8% of grist
13.00 pounds Total Grain Weight 100% of grist
1.00 ounces Brewers Gold Pellets @ 60 minutes
Type: Bittering
Use: Boil
1.00 ounces Brewers Gold Pellets @ 30 minutes
Type: Bittering
Use: Boil
1.00 ounces Cascade 4% Leaf @ 15 minutes
Type: Aroma
Use: Boil
4 AAUs
1.00 ounces Cascade 4% Leaf @ 5 minutes
Type: Aroma
Use: Boil
4 AAUs
4.00 ounces Total Hop Weight 8 AAUs
Total Boil Time: 60 minutes
Name: British Ale II
Manufacturer: Wyeast
Product ID: 1335
Type: Ale
Flocculation: High
Attenuation: 74%
Temperature Range: 63–75°F
Amount: 125 ml
Mash Profile

Single Step Temperature Mash, Medium Bodied Beer

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

Mash with a direct heat source to maintain temperature.


# Name Type Time Temp. Description
1 Saccharification Infusion 60 min. 154°F

Add 100% of mash water at 166° F / 74° C

2 Mash Out Temperature 10 min. 168°F

Heat to 168° F / 75° C for at least 10 minutes


Water Amounts Calculator
Target Final Boil Volume: 5.5 gallons  
Evaporation Rate: 1.5 gallons per hour  
Boil Time: 60 minutes  
Runoff Volume Needed: 7.23 gallons 5.5 gallons (final boil volume) ÷ 0.96 (cooling) + 1.5 gallons (boil evaporation)
Grain Amount: 13 pounds  
Grain Absorbtion: 2.77 gallons  
Total Water Needed: 10.75 gallons 7.23 gallons (runoff) + 2.77 gallons (grain absorbtion) + .75 gallons (equip. loss)
Mash Water Needed: 4.23 gallons based on 1.3 quarts per pound of grain
Sparge Water Needed: 6.52 gallons 10.75 gallons (total water) – 4.23 gallons (mash water)


Calculations derived from Ray Daniels' book Designing Great Beers.



Rookery Brown Ale
Date Brewed:  
Brew Day Data
  Target Actual
Strike Water Amount: 4.3  
Strike Water Temperature:    
Mash Temperature:    
Mash Time:    
Sparge Water Amount: 7.2  
Sparge Water Temperature:    
Pre-Boil Gravity:    
Pre-Boil Amount: 7.8  
Post-Boil Amount: 6  
Boil Time: 60  
Original Gravity:  
Brew Day Notes

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