Type: All Grain
Batch Size: 16.65 gal
Boil Size: 19.64 gal
Boil Time: 60 min
End of Boil Vol: 17.79 gal
Final Bottling Vol: 16.00 gal
Fermentation: Ale, Two Stage
Date: 02 Oct 2016
Brewer: Btaz
Asst Brewer:
Equipment: Large Batches
Efficiency: 68.00 %
Est Mash Efficiency: 69.8 %
Taste Rating: 30.0
Taste Notes:
Ingredients
Amt Name Type # %/IBU
27 lbs Pilsen Malt 2-Row (Briess) (1.0 SRM) Grain 1 87.8 %
3 lbs Vienna Malt (Briess) (3.5 SRM) Grain 2 9.8 %
12.0 oz Honey Malt (25.0 SRM) Grain 3 2.4 %
3.75 oz Hallertau [4.50 %] - Boil 60.0 min Hop 4 20.4 IBUs
0.75 oz Saaz [3.75 %] - Boil 50.0 min Hop 5 3.2 IBUs
1.00 oz Saaz [3.75 %] - Boil 5.0 min Hop 6 0.9 IBUs
1.0 pkg German Ale/Kolsch (White Labs #WLP029) [35.49 ml] Yeast 7 -

Gravity, Alcohol Content and Color

Est Original Gravity: 1.046 SG
Est Final Gravity: 1.010 SG
Estimated Alcohol by Vol: 4.8 %
Bitterness: 24.6 IBUs
Est Color: 3.4 SRM
Measured Original Gravity: 1.046 SG
Measured Final Gravity: 1.010 SG
Actual Alcohol by Vol: 4.7 %
Calories: 151.6 kcal/12oz

Mash Profile

Mash Name: Single Infusion, Light Body, No Mash Out
Sparge Water: 13.72 gal
Sparge Temperature: 168.0 F
Adjust Temp for Equipment: TRUE
Est Mash PH: 5.73
Measured Mash PH: 5.20
Total Grain Weight: 30 lbs 12.0 oz
Grain Temperature: 72.0 F
Tun Temperature: 72.0 F
Target Mash PH: 5.20
Mash Acid Addition:
Sparge Acid Addition:
Mash Steps
Name Description Step Temperature Step Time
Mash In Add 39.64 qt of water at 162.8 F 150.0 F 60 min

Sparge: Fly sparge with 13.72 gal water at 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

Carbonation Type: Bottle
Pressure/Weight: 16.00 oz
Keg/Bottling Temperature: 70.0 F
Fermentation: Ale, Two Stage
Volumes of CO2: 2.7
Carbonation Used: Bottle with 16.00 oz Corn Sugar
Age for: 30.00 days
Storage Temperature: 65.0 F

Notes

derived from BYO (https://byo.com/stories/issue/item/1881-koelsch-style-profile) and Black Widow recipes (http://www.homebrewtalk.com/f62/black-widow-kolsch-224791/)

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