BrewBlog: Maibock 2 - Hell is Back
Specifics
General Information
Method: All Grain

Initial reading of 5.1 gallons at 17.2B (1.068).  Expected final gravity of 1.016 (9.4B).

Pitched the 2112 left over from batch 77, California Common.

Some signs of fermentation at 24 hours, but no krausen until 40 hours.  A bit slower than I would have expected.

Blowout sometime during day 3.

Moved from 56F to 64F on day 8.

Scale Recipe
Enter desired final yield (volume):
 gallons  
Reference
Malts and Grains
Non-Fermentables
1 tablet Whirlfloc @ 15 minutes  
1/2 tsp Yeast Nutrient @ 15 minutes  
Reference
Hops
Boil
Total Boil Time: 60 minutes
Reference
Yeast
Name: California Lager
Manufacturer: Wyeast
Product ID: 2112
Type: Lager
Flocculation: High
Attenuation: 69%
Temperature Range: 58–68°F
Amount: 1500 ml
Equipment Profile

Red rectangular cooler

Batch Size: 5 gallons Boil Volume: 7 gallons
Evaporation Rate: 9% per hour Mash Tun Dead Space: 0 gallons
Efficiency: 80% Mash Tun Weight: 10 pounds
Hop Utilization: 100% Mash Tun Volume: 10 gallons
Loss: .5 gallons Mash Tun Specific Heat: .3 Cal/gram per °C
Notes:

Suitable for larger batches, up to 25 pounds of grain in a thick mash.

Water Profile

Hastings, Minnesota

Calicum: 55 ppm
Bicarbonate: 196 ppm
Sulfate: 7.9 ppm
Chloride: 8.9 ppm
Sodium: 3 ppm
Magnesium: 24 ppm
PH: 7.4%
Notes:

Taken from:
"Ground Water Quality in Cottage Grove, MN, June 2000"

Prepared by GWMAP

Procedure

Mash in with 3.75 gallons at 167F to hit a mash temperature of 152F.  Rest for 30 minutes, then pull 5 quarts to decoct.  Boil the decoction for 40 minutes and return to the main mash to hit a second rest temperature of 166F.  Rest for an additional 30 minutes.  Mash out with 3 quarts @boil to high 172F.  Stir and drain the tun to recover ~3 gallons.  Sparge with an additional 3.5 gallons at 172F.

Add hops according the schedule, adding whilfloc and nutrient with the last hop addition.

Tasting Reviews
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45-50 = Outstanding 30-37 = Very Good 14-20 = Fair
38-44 = Excellent 21-29 = Good 00-13 = Problematic
Review by
Aroma: / 12
Appearance: / 3
Flavor: / 20
Mouthfeel: / 5
Overall Impression: / 10
Cumulative Score: 0 / 50 Problematic
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