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Split Batch: Kolsch / German Lager

154 calories 14 g 12 oz
Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 60 min
Batch Size: 12.25 gallons (fermentor volume)
Pre Boil Size: 13.75 gallons
Post Boil Size: 12.25 gallons
Pre Boil Gravity: 1.042 (recipe based estimate)
Efficiency: 73% (brew house)
Source: Mike Angell
Calories: 154 calories (Per 12oz)
Carbs: 14 g (Per 12oz)
Created Wednesday August 29th 2018
1.047
1.009
4.9%
30.4
4.1
n/a
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
15 lb American - Pilsner15 lb Pilsner 37 1.8 69.8%
6.50 lb American - Vienna6.5 lb Vienna 35 4 30.2%
21.50 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.85 oz CTZ (15.5 AA)0.85 oz CTZ (15.5 AA) Hops Pellet 17 Boil 45 min 22.2 17.5%
1 oz Hallertau Mittelfruh (3.75 AA)1 oz Hallertau Mittelfruh (3.75 AA) Hops Pellet 4.2 Boil 15 min 3.49 20.6%
1 oz Northern Brewer - German Tettnang (3.5 AA)1 oz Northern Brewer - German Tettnang (3.5 AA) Hops Pellet 3 Boil 15 min 2.49 20.6%
1 oz Northern Brewer - German Tettnang (3.5 AA)1 oz Northern Brewer - German Tettnang (3.5 AA) Hops Pellet 3 Hop Stand 15 min 0.92 20.6%
1 oz Hallertau Mittelfruh (3.75 AA)1 oz Hallertau Mittelfruh (3.75 AA) Hops Pellet 4.2 Hop Stand 15 min 1.28 20.6%
4.85 oz / 0.00
 
Yeast
Imperial Yeast - A07 Flagship
Amount:
1 Each
Cost:
Attenuation (custom):
80%
Flocculation:
Medium-low
Optimum Temp:
60 - 72 °F
Starter:
Yes
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 189 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.25 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
80 5 25 75 80 100
Mash Chemistry and Brewing Water Calculator
 
Notes

This mash makes 17 gallons of 1.047 wort. Split it into 3 different boils.

Boil 1: "Marsen" 7g + 1g Hz0 boils off to 6g @ 1.055.
This beer gets cold steeped;
Caravienna @ .33 lbs

Boil 2: "Weed wacker Ipa" 6g+ 1g Hz0 = 7g @1.040 - reduces to
6g @ 1.047

Boil 3: "Lawn Mower Ale" 4g + 3g Hz0 = 1.026 which reduces to
5.5g @ 1.033

-----------OR 2 Boil method-----------

Boil 1: 11g reduced to 9.5g @1.054
5.5 goes to "Marzen"
3.5g + 2.5gHz0 goes to "Lawn Mower Ale"(3.5 x 1.054 = 6 x ?) = 6g @1.031 reduces to 5g @1.037!

Boil 2 (same as boil 2 above)







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  • Public: Yup, Shared
  • Last Updated: 2022-01-18 05:09 UTC
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