Batch #43 – Two Sisters Stout

Type: All Grain
Batch Size: 95.00 gal
Boil Size: 113.28 gal
Boil Time: 60 min
End of Boil Vol: 111.28 gal
Final Bottling Vol: 90.70 gal
Fermentation: Whetstone Ale Profile
Date: 23 May 2014
Brewer: Tim Brady & Connor Busch
Asst Brewer:
Equipment: Whetstone Full Batch
Efficiency: 72.00 %
Est Mash Efficiency: 81.1 %
Taste Rating: 30.0
Taste Notes:

Ingredients

Amt

Name

Type

#

%/IBU
85.00 gal Whetstone Water Water 1
330 lbs Pale Malt (2 Row) Bel (3.0 SRM) Grain 2 90.9 %
13 lbs 2.0 oz Oats, Flaked (1.0 SRM) Grain 3 3.6 %
10 lbs Carafa III (525.0 SRM) Grain 4 2.8 %
10 lbs Chocolate Malt (350.0 SRM) Grain 5 2.8 %
0.88 lb Rice Hulls (Mash 90.0 mins) Other 6
32.00 oz Pacific Gem [13.80 %] – Boil 60.0 min Hop 7 52.3 IBUs
7.00 oz Hallertauer Hersbrucker [4.00 %] – Boil 15.0 min Hop 8 1.6 IBUs
1.0 pkg NorCal I (Giga Yeast #GY 001) Yeast 9

Gravity, Alcohol Content and Color

Est Original Gravity: 1.100 SG
Est Final Gravity: 1.024 SG
Estimated Alcohol by Vol: 10.2 %
Bitterness: 54.0 IBUs
Est Color: 33.0 SRM
Measured Original Gravity: 1.066 SG
Measured Final Gravity: 1.016 SG
Actual Alcohol by Vol: 6.6 %
Calories: 223.7 kcal/12oz

Mash Profile

Mash Name: Whetstone Mash
Sparge Water: 80.87 gal
Sparge Temperature: 168.0 F
Adjust Temp for Equipment: TRUE
Total Grain Weight: 363 lbs 2.0 oz
Grain Temperature: 72.0 F
Tun Temperature: 72.0 F
Mash PH: 5.20
Mash Steps

Name

Description

Step Temperature

Step Time
Mash Step Add 81.18 gal of water and heat to 150.0 F over 10 min 150.0 F 90 min
Mash Step Heat to 168.0 F over 10 min 168.0 F 10 min

Sparge: Fly sparge with 80.87 gal water at 168.0 F

Mash Notes:

Carbonation and Storage

Carbonation Type: Keg
Pressure/Weight: 7.72 PSI
Keg/Bottling Temperature: 35.0 F
Fermentation: Whetstone Ale Profile
Volumes of CO2: 2.3
Carbonation Used: Keg with 7.72 PSI
Age for: 1.00 days
Storage Temperature: 50.0 F

Notes

pH into FV 5.14
Used 1:1 sparge to strike water ratio

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