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R&B Koslch 2025

Method: All Grain
Style: Kölsch
Boil Time: 60 min
Batch Size: 11 gallons (fermentor volume)
Pre Boil Size: 14 gallons
Pre Boil Gravity: 1.037 (recipe based estimate)
Post Boil Gravity: 1.048 (recipe based estimate)
Efficiency: 85% (brew house)
Source: Rich
Hop Utilization: 97%
Calories: 156 calories (Per 12oz)
Carbs: 13.4 g (Per 12oz)

Created: Sunday April 13th 2025

Rasenmäher Kolsch

by Switz007

OG: 1.054 FG: 1.009 ABV: 5.9% IBU: 23

Mean Beer Kolsch

by Vulpine Brewing Co.

OG: 1.048 FG: 1.011 ABV: 4.8% IBU: 23

Original Gravity:

1.048

Final Gravity:

1.008

ABV (standard):

5.2%

IBU (tinseth):

26.4

SRM (morey):

3.7

Mash pH

5.4

Cost $

21.43

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
11 lb	Viking - Pilsner Malt11 lb Pilsner Malt		37	1.9	65.7%
5 lb	Viking - Vienna5 lb Vienna		37	3.6	29.9%
4 oz	Weyermann - Acidulated4 oz Acidulated	$ 3.49 / oz $ 13.96	27	3.4	1.5%
8 oz	Weyermann - Carafoam8 oz Carafoam	$ 3.19 / lb $ 1.60	34.5	2.2	3%
16.75 lbs / $ 15.56

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
1.25 oz	Artisan - Magnum1.25 oz Magnum Hops	$ 1.06 / oz $ 1.33	Pellet	9.9	Boil	60 min	23.23	38.5%
1 oz	Artisan - Saphir1 oz Saphir Hops	$ 1.75 / oz $ 1.75	Pellet	2.5	Boil	15 min	2.33	30.8%
1 oz	Artisan - Saphir1 oz Saphir Hops	$ 1.75 / oz $ 1.75	Pellet	2.5	Whirlpool	1 min	0.85	30.8%
3.25 oz / $ 4.83

Show Summary View

Amount	Variety	Cost	IBU	Bill %
1.25 oz	Artisan - Magnum (Pellet)	$ 1.06 / oz $ 1.32	23.23	38.5%
2 oz	Artisan - Saphir (Pellet)	$ 1.75 / oz $ 3.50	3.18	61.6%
3.25 oz / $ 4.82

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
5.57 gal		Strike	145 °F	130 °F	15 min
	Ramp and rest	Temperature	130 °F	146 °F	45 min
	Rest and ramp	Temperature	146 °F	158 °F	30 min
	Recirculate to mash out	Vorlauf	158 °F	170 °F	--
	First Runnings	Batch Sparge	170 °F	170 °F	15 min
5 gal	First fill up and drain	Batch Sparge	170 °F	170 °F	15 min
5 gal	Second fill and drain	Batch Sparge	170 °F	170 °F	15 min
Starting Mash Thickness: 1.3 qt/lb Starting Grain Temp: 60 °F

Other Ingredients

Amount	Name	Cost	Type	Use	Time
1 tsp	Cellar Science - Glucabuster1 - 5% / 1 Ounces	$ 4.99 / oz $ 0.83	Water Agt	Mash	1 hr.
15 g	Gypsum		Water Agt	Mash	1 hr.
0.38 ml	Lactic acid - 88% / 3.49667 Ounces		Water Agt	Sparge	1 hr.
1 each	Whirlfloc / 0 Each		Fining	Boil	15 min.
0.50 tsp	Wyeast - Beer Nutrient / 2.67333 Ounces	$ 2.66 / oz $ 0.22	Water Agt	Boil	15 min.
1 tsp	Brewcraft - Biofine / 0.743333 Ounces		Water Agt	Kegging	14 days
$ 1.05

Yeast

Fermentis - Safale - German Ale Yeast K-97

Amount:	1 Each	Cost:
Attenuation (avg):	81%	Flocculation:	High
Optimum Temp:	54 - 77 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 174 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.45 Volumes

Target Water Profile

Light colored and hoppy

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
75	5	10	50	150	0
Mash Chemistry and Brewing Water Calculator

Notes

Batch 153

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2025-04-17 00:16 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost $	Cost %
Fermentables	$
Steeping Grains (Extract Only)	$
Hops	$
Yeast	$
Other	$
Cost Per Barrel	$ 0.00
Cost Per Pint	$ 0.00
Total Cost	$ 0.00

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