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Kolsch

122 calories 12 g 330 ml
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Beer Stats
Method: All Grain
Style: Kölsch
Boil Time: 60 min
Batch Size: 19.5 liters (fermentor volume)
Pre Boil Size: 21.86 liters
Post Boil Size: 19.65 liters
Pre Boil Gravity: 1.036 (recipe based estimate)
Post Boil Gravity: 1.040 (recipe based estimate)
Efficiency: 68% (brew house)
Source: https://beerandbrewing.com/a-perfect-koelsch/
Hop Utilization: 97%
Calories: 122 calories (Per 330ml)
Carbs: 12 g (Per 330ml)
Created: Wednesday March 29th 2023
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Fermentables
Amount Fermentable Cost PPG °L Bill %
3.18 kg Castle Malting - Château Pilsen 2RS3.175 kg Château Pilsen 2RS 37 1.9 85%
0.45 kg Castle Malting - Château Vienna0.45 kg Château Vienna 38 2.6 12%
0.11 kg Castle Malting - Château Acid (Malta Acida)0.11 kg Château Acid (Malta Acida) 34 4.1 2.9%
3.74 kg / ₹ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
42 g Hallertau Mittelfruh42 g Hallertau Mittelfruh Hops Pellet 3.75 Boil 60 min 22.51 58.3%
30 g Northern Brewer - German Tettnang30 g German Tettnang Hops Pellet 3.5 Whirlpool at 100 °C 20 min 2.69 41.7%
72 g / ₹ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
1 each Whirlfloc Water Agt Boil 15 min.
0.50 g Calcium Chloride (dihydrate) Water Agt Mash 1 hr.
0.40 g Calcium Chloride (dihydrate) Water Agt Sparge 1 hr.
0.60 g Epsom Salt Water Agt Mash 1 hr.
0.50 g Epsom Salt Water Agt Sparge 1 hr.
1.20 g Gypsum Water Agt Mash 1 hr.
0.60 g Gypsum Water Agt Sparge 1 hr.
1 g Baking Soda Water Agt Mash 1 hr.
 
Yeast
Wyeast - Kölsch 2565
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
Low
Optimum Temp:
13 - 21 °C
Starter:
No
Fermentation Temp:
16 °C
Pitch Rate:
0.35 (M cells / ml / ° P) 68 B cells required
₹ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 2.25 Volumes
 
Target Water Profile
Kolsch
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
37 10 25 35 70 80
https://learningtohomebrew.com/the-best-water-profile-for-kolsch-beer/
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
12 L Strike 70 °C 64 °C 60 min
9 L Fly Sparge 77 °C 77 °C --
Starting Mash Thickness: 3.21 L/kg
Starting Grain Temp: 27 °C
Quick Water Requirements
Water Liters
Strike water volume at mash thickness of 3.2 L/kg 12
Mash volume with grains 14.5
Grain absorption losses -3.7
Remaining sparge water volume (equipment estimates 18.2 L) 14.5
Mash Lauter Tun losses -0.9
Pre boil volume (equipment estimates 25.6 L) 21.9
Boil off losses -5.7
Hops absorption losses (first wort, boil, aroma) -0.2
Post boil Volume 19.7
Hops absorption losses (whirlpool, hop stand) -0.2
Going into fermentor 19.5
Total: 26.5  
Equipment Profile Used: System Default
 
Notes

Fermented 2 weeks @ 16C
Taste is malty, slightly fruity, very light, backbone yet to develop

Also made 5 samples by infusing grapefruit - yet to taste

  • Fruit + Peel + Hop for 1pint
    Grapefruit peel @0.2oz/gal
    Grapefruit @2oz/gal
    Cascade hops @0.5oz/gal
  • Fruit + Peel for 1pint Grapefruit peel @0.4oz/gal
    Grapefruit @4oz/gal
    Hop for 1pint
    Cascade hops @1oz/gal
  • Hop + Peel for 1 pint
    Cascade hops @0.5oz/gal
    Grapefruit peel @0.4oz/gal
  • Peel for 1 pint
    Grapefruit peel @0.6oz/gal

    Then increased temp to 18C for a day
    Then reduced temp by 2-3C every day

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  • Last Updated: 2023-04-28 18:26 UTC