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TN Kolsch - Riverglass Kolsch

164 calories 16 g 12 oz
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Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 60 min
Batch Size: 6 gallons (fermentor volume)
Pre Boil Size: 7.24 gallons
Post Boil Size: 6.5 gallons
Pre Boil Gravity: 1.045 (recipe based estimate)
Post Boil Gravity: 1.050 (recipe based estimate)
Efficiency: 65% (brew house)
Source: Boxcar Brewing
Hop Utilization: 97%
Calories: 164 calories (Per 12oz)
Carbs: 16 g (Per 12oz)
Created: Tuesday August 5th 2025
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Fermentables
Amount Fermentable Cost PPG °L Bill %
8.50 lb Briess - Pilsen Malt 2-Row8.5 lb Pilsen Malt 2-Row 37 1.2 68%
3 lb Simpsons - Finest Pale Ale Golden Promise3 lb Finest Pale Ale Golden Promise 37 2.4 24%
1 lb Weyermann - Vienna Malt1 lb Vienna Malt 37 3.5 8%
12.50 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
0.25 oz Galaxy0.25 oz Galaxy Hops Pellet 14.25 Boil 60 min 11.45 16.7%
0.75 oz Hallertau Mittelfruh0.75 oz Hallertau Mittelfruh Hops Pellet 2.3 Boil 60 min 5.54 50%
0.50 oz Tettnanger0.5 oz Tettnanger Hops Pellet 4.5 Boil 30 min 5.56 33.3%
1.50 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
0.72 g Gypsum Water Agt Mash 1 hr.
0.34 g Calcium Chloride (anhydrous) Water Agt Mash 1 hr.
1.25 g Epsom Salt Water Agt Mash 1 hr.
0.34 g Canning Salt Water Agt Mash 1 hr.
0.67 g Baking Soda Water Agt Mash 1 hr.
0.44 g Chalk Water Agt Mash 1 hr.
3.88 ml Lactic acid Water Agt Mash 1 hr.
1.29 g Gypsum Water Agt Sparge 15 min.
0.60 g Calcium Chloride (anhydrous) Water Agt Sparge 15 min.
2.22 g Epsom Salt Water Agt Sparge 15 min.
0.60 g Canning Salt Water Agt Sparge 15 min.
1 each Whirlfloc Fining Boil 10 min.
2.20 g Yeast Nutrient Fining Boil 10 min.
 
Yeast
Omega Yeast Labs - Kolsch II OYL-044
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Medium
Optimum Temp:
65 - 69 °F
Starter:
Yes
Fermentation Temp:
67 °F
Pitch Rate:
1.75 (M cells / ml / ° P) 492 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
Method: co2       Amount: 8.62 psi       Temp: 38 °F       CO2 Level: 2.25 Volumes
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
37 10 25 35 70 80
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
5 gal Strike 148 °F 148 °F 60 min
4.5 gal Fly Sparge 170 °F 170 °F 30 min
Starting Mash Thickness: 1.5 qt/lb
Starting Grain Temp: 70 °F
Quick Water Requirements
Water Gallons  Quarts
Strike water volume at mash thickness of 1.5 qt/lb 4.69 18.8  
Mash volume with grains 5.69 22.8  
Grain absorption losses -1.56 -6.3  
Remaining sparge water volume (equipment estimates 4.68 g | 18.7 qt) 4.37 17.5  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 7.56 g | 30.2 qt) 7.24 29  
Boil off losses -1.5 -6  
Hops absorption losses (first wort, boil, aroma) -0.06 -0.2  
Post boil Volume (equipment estimates 6 g | 24 qt) 6.5 26  
WARNING: Exceeded batch size - reduce boil size    
Going into fermentor (equipment estimates 6.5 g | 26 qt) 6 24  
Total: 9.05 36.2
Equipment Profile Used: System Default
 
Notes

Ferment for 14 days

Raise to 72 for 2 more days

Lager at 37 for 4 Weeks

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  • Last Updated: 2025-09-11 14:41 UTC