BrewBlog: Harcombe American Kolsch
Specifics
General Information
Method: All Grain

Malted Harcombe Farm (Corvalis, OR) barley as per Homebrewer's Garden. No aerator, so I just did multiple soaks.

 

Aiming for Kolsch style.

Missed:

IBU about 10 units too high, also not German noble hops.

OG too low @ 1.039. Style lower limit is 1.044.

Otherwise, color and attenuation are on the mark.

Scale Recipe
Enter desired final yield (volume):
 gallons  
Reference
Malts and Grains
Reference
Hops
Boil
Total Boil Time: 60 minutes
Reference
Yeast
Name: American West Coast Ale Yeast
Manufacturer: Danstar
Product ID: BRY-97
Type: Ale
Flocculation: High
Attenuation: 71-80%
Alcohol Tolerance: Medium
Temperature Range: 63–75°F
Amount: 500 ml
Water Profile

Brookline, MA

Calicum: 3.7 ppm
Bicarbonate: 10 ppm
Sulfate: 5.4 ppm
Chloride: 17.5 ppm
Sodium: 28.5 ppm
Magnesium: 0.8 ppm
PH: 7.9%
Notes:

From Massachusetts Water Resource Authority - Nov. 2012

Procedure

2 lbs of Harcombe pale malt was crushed in a coffee grinder. I know, I know... not a good idea. Learned the hard way here.

 

Dough-in at 130F (1 gallon water), cooled to around 125. Steeped for 20 minutes at 125F. Raised temp to 144F by boiling water addition (probably 2 qts). Held temp for 20 minutes. Raised to 154F, held for 30 minutes. Mash-out at 170F for 10 minutes. (n.b. 1 gallon volume was REALLY hard to maintain temperature.)

 

Boil for 60 minutes. 1 gallon was nice for getting a nice hard boil. 

 

Finings (1/4 tsp) and nutrient (1/4 tsp) added at 15 min out.

 

Chilled outside (ambient 5F) to 65F.

 

Pitched onto BRY-97 starter.

Special Procedures

BRY-97 starter made from single colony isolate from Batch #2. Grown in 1 qt of SG 1.038 (DME + 1/4 tsp yeast nutrient) for four days with occasional vigorous agitation. Seemed to be pretty happy.

Fermentation
Primary: 9 days @ 68° F
Secondary: 3 days @ 68° F
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
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Appearance: / 3
Flavor: / 20
Mouthfeel: / 5
Overall Impression: / 10
Cumulative Score: 0 / 50 Problematic
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