I brewed my RIS yesterday and hit my target after a 3 hour boil. That's right 1.100 !!! It was the maiden voyage on the Brutus 10 as well. A great day!
Here it is...
Russian Imperial Stout 2010
Imperial Stout
Type: All Grain
Date: 3/22/2010
Batch Size: 6.0 gal
Brewer: Bluesman
Boil Size: 9.28 gal Asst Brewer:
Boil Time: 180 min Equipment: My Equipment
Ingredients
Amount Item Type % or IBU
21.00 lb Pale Malt, Maris Otter (3.0 SRM) Grain 79.25 %
2.00 lb Brown Malt (65.0 SRM) Grain 7.55 %
1.00 lb Caramel/Crystal Malt -120L (120.0 SRM) Grain 3.77 %
1.00 lb Roasted Barley (300.0 SRM) Grain 3.77 %
1.00 lb Victory Malt (25.0 SRM) Grain 3.77 %
0.50 lb Chocolate Malt (350.0 SRM) Grain 1.89 %
2.00 oz Mt. Hood [5.10 %] (180 min) Hops 22.8 IBU
1.00 oz Centennial [11.20 %] (150 min) Hops 25.0 IBU
0.80 oz Magnum [14.20 %] (120 min) Hops 25.2 IBU
0.50 oz Zeus [16.40 %] (30 min) Hops 12.8 IBU
1.00 oz Amarillo Gold [9.30 %] (30 min) Hops 14.5 IBU
1.00 oz Hallertauer [4.00 %] (5 min) Hops 1.6 IBU
1 tsp Irish Moss (Boil 15.0 min) Misc
6.0 gal Poland Spring (R) Water
1/2 Pkgs Nottingham (Danstar #-) Yeast-Ale
2 Pkgs SafAle US Ale (Fermentis #S-05) Yeast-Ale
Beer Profile
Measured Original Gravity: 1.100 SG
Estimated Alcohol by Vol: 9.74 % Actual Alcohol by Vol: 10.51 %
Bitterness: 101.8 IBU
Est Color: 41.0 SRM
Mash Profile
Mash Name: Single Infusion, Full Body Total Grain Weight: 26.50 lb
Sparge Water: 0.00 gal Grain Temperature: 60.0 F
Sparge Temperature: 168.0 F TunTemperature: 72.0 F
Adjust Temp for Equipment: FALSE Mash PH: 5.4 PH
Single Infusion, Full Body Step Time Name Description Step Temp
60 min Mash In Add 34.00 qt of water at 163.9 F 151.0 F
10 min Sparge Add 20.00 qt of water at 201.0 F 168.0 F
Mash Notes: Simple single infusion mash for use with most modern well modified grains (about 95% of the time).
Carbonation and Storage
I achieved 68% efficiency.