BrewBlog: ABSF Spotted Cow
Specifics
Reference
Style:
Brewer: Bob Manke
Brew Date: June 1, 2012
Yield: 5 gallons
Reference
Color (SRM/EBC):
4.2/8.3
Bitterness (Calc): 16.5 IBU (Daniels)
BU/GU: 0.3
Calories: 182 (12 ounces)
ABV: 5.3%
ABW: 4.2%
Batch No: 049
OG: 1.055
OG (Plato): 13.57° P
FG: 1.015
FG (Plato): 3.82° P
Real Extract: 5.59° P
App. Atten.: 71.8%
Real Atten.: 58.8%
General Information
Method: All Grain
Scale Recipe
Enter desired final yield (volume):
 gallons  
Reference
Malts and Grains
Non-Fermentables
0.25 Whirlfloc Tablet @ 15 minutes  
0 Yeast Nutrient @ 15 minutes  
Reference
Hops
Boil
Total Boil Time: 90 minutes
Reference
Yeast
Name: Kolsch Yeast
Manufacturer: Wyeast
Product ID: 2565
Type: Ale
Flocculation: Low
Attenuation: 75%
Temperature Range: 56–64°F
Equipment Profile

Brew Pot (15 Gal) and Igloo/Gott Cooler (10 Gal)

Batch Size: 10 gallons Boil Volume: 15 gallons
Evaporation Rate: 9% per hour Mash Tun Dead Space: .8 gallons
Efficiency: 75% Mash Tun Weight: 9 pounds
Hop Utilization: 100% Mash Tun Volume: 10 gallons
Loss: 1 gallons Mash Tun Specific Heat: 0.300 Cal/gram per °C
Notes:

15 gallon setup for all grain brewing.  Uses a 10 gallon water cooler as mash tun for single infusion mashes and a 15 gallon brew pot for full size boil of the 12+ gallons of wort.

Mash Profile

Single Step Temperature Mash, Medium Bodied Beer

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

Mash with a direct heat source to maintain temperature.

Steps

# 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 Profile

Pilsen, Czech Republic

Calicum: 7.0 ppm
Bicarbonate: 2.0 ppm
Sulfate: 5.0 ppm
Chloride: 5.0 ppm
Sodium: 15.0 ppm
Magnesium: 5.0 ppm
PH: 8.0%
Notes:

Very soft water.

Fermentation
Primary: 28 days @ 62° F
Secondary: 0 days @ 0° F
Tertiary: 0 days @ ° F
Age: 14 days @ 36° F
Tasting Reviews
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