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Daril Brothers Homebrewery

Brew #70 - Daril's "Hurricane" Kolsch *

09/19/2004      Daril's "Hurricane" Kolsch

   Category         :  Kölsch                   
   Method           :  Full Mash
   Starting Gravity :  1.047
   Ending Gravity   :  1.012
   Alcohol content  :  4.5%
   Recipe Makes     : 14.0 gallons
   Total Grain      : 24.00 lbs.
   Color (srm)      :  4.0
   Efficiency       :  75%
   Hop IBUs         : 20.9

Malts/Sugars:
 20.00	lb.	Weyermann Pilsen 6-Row   
  2.00	lb.	Munich Light             
  2.00	lb.	German Wheat             

Hops:
 3.00	oz.	Tettnanger     	 3.5%	60 min
 1.00	oz.	Spalt          	 4.7%	20 min
 1.00	oz.	Saaz           	 5.7%	 5 min

Boil temperature of water: 212F
Grain Starting Temperature: 70F
Desired Grain/Water Ratio: 1 quarts/pound
Strike Water:  6.00 gallons of water at 133F
First Mash Temperature: 122F
Second Mash Temperature: 152F
Boiling Water to add:  3.65 gallons 

Procedure:

A Kolsch has starting gravity of 1.040 to 1.046, IBUs of 20-30, 
and SRM of 3.5 to 5. The Zymurgy description of a Kolsch is 
Pale gold. Low hop flavor and aroma.  Medium bitterness. Light 
to medium body. Slightly dry, winy palate.  Malted wheat okay. 
Lager or ale yeast or combination of yeasts okay. Malts can be 
U.S. or continental, including a fraction of wheat malt if desired. 
Hopping should be continental noble hops. The yeast is the 
tricky part - use a Kolsch or German Ale yeast.  The Goose Island 
Brewery in Chicago brews a Kolsch using Kolsch yeast from Germany.
The Free State Brewery in Lawrence, Kansas, brews a Kolsch using 
Wyeast "European" ale. This yeast is suggested by Fred Eckhardt.  
I have used this yeast in the past and it's great, but for this 
iteration, I'll use the Wyeast #2565 "Kolsch" yeast.


- Mash in at 122F and rest for 30 min. 
- Infuse to 150-155F and hold until conversion. 
- Mashout at 170F. for 5 min. Lauter, sparge, and 
  rinse to collect 14 gal. of wort. 
- Bring to a boil, let hot break form, annd follow hops schedule. 
- Add 1 tsp. Irish moss the last 15 min.  of boil. 
- Force cool, transfer, to primary, and pitch a 1 qt. starter. 
- Rack to secondary after krausen. 

- Primary fermentation should be done in  the mid-60s. This beer 
benefits from cold-conditioning, so rack to secondary and "lager" 
at 40 degrees for a couple weeks. 

  
STYLE COMPARISON at 70%, 75% and 80% extraction efficiency: 

               |--------|--------|--------|--------|--------|
               |  MIN   |  YOURS |  YOURS |  YOURS |  MAX   |
               |        |   70%  |   75%  |   80%  |        |
|--------------|--------|--------|--------|--------|--------|                            
| OG           |  1.042 |  1.044 |  1.047 |  1.051 |  1.046 |
|--------------|--------|--------|--------|--------|--------|
| Alc %        |  4.0   |  4.3   |  4.5   |  4.9   |  4.5   |
|--------------|--------|--------|--------|--------|--------|
| IBUs         | 20.0   | 20.9   | 20.9   | 20.9   | 20.9   |
|--------------|--------|--------|--------|--------|--------|
| Color (srm)  |  3.5   | 4.0    | 4.0    | 4.9    | 5.0    |
|--------------|--------|--------|--------|--------|--------|  

See this page for a detailed description of Grain Characteristics:

http://ourworld.compuserve.com/homepages/wrucksterpage/Grains.htm


* Brewed while the tail-end of Hurricane "Ivan" passed through the area.

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Daril-Bill - 9/18/2004 - (daril@darilbrothers.com)

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