From the BrewBlog of Velkommen til – Gvarv, Telemark Norway
Printed October 19, 2018

Style: Kolsch
Contributor: Geir Sundseth
Yield: 56 liters
Bitterness (Calc): 28 IBU (Tinseth)
BU/GU: 0.56
Calories: 163 (12 ounces)
ABV: 5.6%
ABW: 4.4%
OG: 1.050
OG (Plato): 12.39° P
FG: 1.008
FG (Plato): 2.05° P
Real Extract: 3.92° P
App. Atten.: 83.4%
Real Atten.: 68.4%
BJCP Style Info: Kolsch
O.G.: 1.044 - 1.050
F.G.: 1.007 - 1.011
ABV: 4.4 - 5.2%
Bitterness: 20 - 30 IBUs
Color: 3.5 - 5 SRM
Info: A clean, crisp, delicately balanced beer usually with very subtle fruit flavors and aromas. Subdued maltiness throughout leads to a pleasantly refreshing tang in the finish. To the untrained taster easily mistaken for a light lager, a somewhat subtle pilsner, or perhaps a blonde ale.

Commercial Examples: Available in Cologne only: PJ Früh, Hellers, Malzmühle, Paeffgen, Sion, Peters, Dom; import versions available in parts of North America: Reissdorf, Gaffel; Non-German versions: Eisenbahn Dourada, Goose Island Summertime, Alaska Summer Ale, Harpoon Summer Beer, New Holland Lucid, Saint Arnold Fancy Lawnmower, Capitol City Capitol Kölsch, Shiner Kölsch.

General Information
Method: All Grain
Malts and Grains
9.00 kilograms Best Pilsener Malz 81.8% of grist
1.00 kilograms Munich Wiermann 9.1% of grist
0.50 kilograms British Dextrin (Cara-Pils) Malt 4.5% of grist
0.50 kilograms German Acidulated (Sauer) Malt 4.5% of grist
11.00 kilograms Total Grain Weight 100% of grist
1ts. Yeast Nutrient @ 15 minutes  
1stk. protafloc @ 15 minutes  
50.00 grams Northern Brewer 9.9% Pellets @ 60 minutes
Type: Bittering
Use: Boil
495 AAUs
80.00 grams Tettnanger 3.5% Pellets @ 15 minutes
Type: Flavor
Use: Boil
280 AAUs
130.00 grams Total Hop Weight 775 AAUs
Total Boil Time: 90 minutes
Name: German Ale/Kolsch
Manufacturer: White Labs
Product ID: WLP029
Type: Ale
Flocculation: Medium
Attenuation: 75%
Temperature Range: 18–21°C
Amount: 10000 ml
Mash Profile

Speidel 64 °C 90 min 78 °C 10 min

Grain Temperature: °C Tun Temperature: °C
Sparge Temperature: °C PH:
Primary: 28 days @ 14.5° C
Secondary: 21 days @ 18° C
Date Brewed:  
Brew Day Data
  Target Actual
Strike Water Amount: 27.5  
Strike Water Temperature:    
Mash Temperature:    
Mash Time:    
Sparge Water Amount: 50.4  
Sparge Water Temperature:    
Pre-Boil Gravity:    
Pre-Boil Amount: 58.3  
Post-Boil Amount: 56  
Boil Time: 90  
Original Gravity: 1.050 / 12.4° P  
Brew Day Notes

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