BrewBlog: I Know Notzing
Specifics
Reference
Style:
Brewer: Geoff Humphrey
Brew Date: April 13, 2013
Yield: 10 gallons
Reference
Color (SRM/EBC):
1.9/3.6
Bitterness (Calc): 30.1 IBU (Rager)
BU/GU: 0.63
Calories: 158 (12 ounces)
Conditioning: Keg
ABV: 4.8%
ABW: 3.7%
Batch No: 06-2013
OG: 1.048
OG (Plato): 11.91° P
Target OG: 1.048
FG: 1.012
FG (Plato): 3.07° P
Target FG: 1.012
Real Extract: 4.67° P
App. Atten.: 74.3%
Real Atten.: 60.8%
General Information
Method: All Grain
Comments

Mashed for 90 minutes at 147°F. Mash PH was 5.9. Adjusted with 1/2 ounce of lactic acid to arrive at 5.6.

Got a slurry of the 1007 yeast from the Rockyard straight off the fermenter. Pitched at 62°F - ferment at 64°F.

Scale Recipe
Enter desired final yield (volume):
 gallons  
Reference
Malts and Grains
Reference
Hops
Boil
Total Boil Time: 90 minutes
Reference
Yeast
Name: German Ale
Manufacturer: Wyeast
Product ID: 1007
Type: Ale
Flocculation: Low
Attenuation: 75%
Temperature Range: 55–66°F
Amount: 3000 ml
Equipment Profile

15 Gallon/57 Liter Brew Pot (15) and 10 Gallon/38 Liter Cooler Mash Tun

Batch Size: 10.00 gallons Boil Volume: 12.55 gallons
Evaporation Rate: 9.00% per hour Mash Tun Dead Space: 0.80 gallons
Efficiency: 72% Mash Tun Weight: 9.00 pounds
Hop Utilization: 100% Mash Tun Volume: 10.00 gallons
Loss: 1.00 gallons Mash Tun Specific Heat: 0.30 Cal/gram per °C
Mash Profile

Single Infusion Mash, Light Bodied Beer, No Mash Out

Grain Temperature: 72°F Tun Temperature: 72°F
Sparge Temperature: 168°F PH: 5.4
PPG: 26.2 Efficiency: 74.4%
Notes:

Mash profile for most well-modified malts.

Steps

# Name Type Time Temp. Description
1 Mash In Infusion 75 min. 150°F

Add 100% of mash water at 162° F / 72° C

Water Profile

London, England

Calicum: 52 ppm
Bicarbonate: 156 ppm
Sulfate: 77 ppm
Chloride: 60 ppm
Sodium: 99 ppm
Magnesium: 16 ppm
PH: 8.0%
Notes:

Carbonate plus high levels of sodium and chloride encourage balanced, smooth dark beers such as porter and mild.

Fermentation
Primary: 14 days @ 62° F
Lager: 28 days @ 32° F
Tasting Reviews
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