BrewBlog: Itasca Imperial Stout
Specifics
General Information
Method: All Grain

I was looking for a good Russian Imperial Stout recipe this winter, and decided to combine a few that I found on the web.  I got a few tips from fellow home brewers, and ended up with this big boy.  Here's the basic recipie (I use Brewsta to calculate mash and document the brew):

 

Comments

I racked this into the Primary on Saturday the14th, and it did not seem to tak off until Monday morning.  Good thing I put a blow-off tube in the carboy, as evidenced by this picture:

 

Itasca Imperial Stout needed a blow-off tube

...


Kegged 19-Dec-2009

This is a beauty. Jet black in the glass. Not too sweet, mellowed out nicely. I can hardly wait for it to carbonate, and share it with my friends.

Scale Recipe
Enter desired final yield (volume):
 gallons  
Reference
Malts and Grains
Adjuncts
1.00 pounds Molasses  
Non-Fermentables
1 tbsp Irish Moss @ 10 minutes  
Reference
Hops
Boil
Total Boil Time: 90 minutes
Reference
Yeast
Name: Scottish Ale
Manufacturer: Wyeast
Product ID: 1728
Type: Ale
Flocculation: High
Attenuation: 71%
Temperature Range: 55–75°F
Amount: 125 ml
Equipment Profile

Converted Keg, 10 Gallon/38 Liter Cooler Mash Tun

Batch Size: 10.00 gallons Boil Volume: 12.00 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
Notes:

Converted 15.5 gallon/59 liter keg boil kettle for full boil with a 10 gallon/38 liter cooler as a mash/lauter tun.

Mash Profile

Single Step Temperature Mash, Full 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 40 min. 158°F

Add 100% of mash water at 170° F / 77° C

2 Mash Out Temperature 10 min. 168°F

Heat to 168° F / 75° C for at least 10 minutes

Procedure
Mash Schedule
start
temp
grain
mass
start
water
water
addition
target
temp
strike
temp
water/
grain
to
kettle
time
min
notes
68 F 17.00 lb 0.000 gal 5.250 gal 154 F 173 F 5.38 qt/lb 0.000 gal 60 Sacch Rest
154 F 17.00 lb 5.250 gal 3.250 gal 169 F 198 F 8.71 qt/lb 0.000 gal 10 Mash Out
169 F 17.00 lb 8.500 gal 5.000 gal 168 F 166 F 13.83 qt/lb 8.000 gal 30 Sparge
Special Procedures
Lyle's Black Treacle 16.000 oz A mixture of molasses and invert sugar; the Brits like it on pancakes, we like it in porter! Intense molasses flavor with licorice overtones, adds color, flavor and gravity to dark ales. Try it in porters and foreign or imperial stouts.
Fermentation
Primary: 14 days @ 68° F
Secondary: 260 days @ 65° F
Tasting Reviews
15 Reviews Submit a Review Refresh Page View All
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
Review by
Aroma: / 12
Appearance: / 3
Flavor: / 20
Mouthfeel: / 5
Overall Impression: / 10
Cumulative Score: 0 / 50 Problematic
Review by
Aroma: / 12
Appearance: / 3
Flavor: / 20
Mouthfeel: / 5
Overall Impression: / 10
Cumulative Score: 0 / 50 Problematic
Review by
Aroma: / 12
Appearance: / 3
Flavor: / 20
Mouthfeel: / 5
Overall Impression: / 10
Cumulative Score: 0 / 50 Problematic
Review by
Aroma: / 12
Appearance: / 3
Flavor: / 20
Mouthfeel: / 5
Overall Impression: / 10
Cumulative Score: 0 / 50 Problematic
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