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Course Maintenance

Method: BIAB
Style: Kölsch
Boil Time: 90 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.95 gallons
Post Boil Size: 5.77 gallons
Pre Boil Gravity: 9.5 °P (recipe based estimate)
Post Boil Gravity: 11.3 °P (recipe based estimate)
Efficiency: 72% (brew house)
Calories: 149 calories (Per 16oz)
Carbs: 14 g (Per 16oz)

Created: Thursday December 26th 2024

Original Gravity:

11.3 °P

Final Gravity:

2.4 °P

ABV (standard):

4.8%

IBU (tinseth):

27.3

SRM (morey):

3.8

Mash pH

5.3

Cost $

10.51

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Fermentation History

Target 62°F
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Attenuation: {{ stats.attenuation | number:2 }}%

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Carbs: {{ stats.carbs | number:1 }} g / 16oz

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Device Filter
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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
6.50 lb	Rahr - Old World Pilsner6.5 lb Old World Pilsner		36.3	1.75	68.4%
1 lb	Viking - Wheat Malt1 lb Wheat Malt		38	2.5	10.5%
2 lb	Viking - Vienna2 lb Vienna	$ 1.70 / lb $ 3.40	37	3.6	21.1%
9.50 lbs / $ 3.40

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
0.50 oz	adeena0.5 oz adeena Hops	$ 0.31 / oz $ 0.16	Pellet	5.4	First Wort	60 min	12.25	25%
0.50 oz	adeena0.5 oz adeena Hops	$ 0.31 / oz $ 0.16	Pellet	5.4	Boil	30 min	8	25%
0.50 oz	adeena0.5 oz adeena Hops	$ 0.31 / oz $ 0.16	Pellet	5.4	Boil	15 min	5.16	25%
0.50 oz	adeena0.5 oz adeena Hops	$ 0.31 / oz $ 0.16	Pellet	5.4	Whirlpool	10 min	1.84	25%
2 oz / $ 0.62

Show Summary View

Amount	Variety	Cost	IBU	Bill %
2 oz	adeena (Pellet)	$ 0.31 / oz $ 0.62	27.25	100%
2 oz / $ 0.62

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
14.25 qt	Strike	150 °F	145 °F	30 min
2.3 qt	Temperature	212 °F	155 °F	30 min
3.6 gal	Sparge	180 °F	170 °F	--

Other Ingredients

Amount	Name	Type	Use	Time
4 g	Calcium Chloride (anhydrous)	Water Agt	Mash	1 hr.
2.16 g	Citric acid	Water Agt	Mash	1 hr.
3 g	Epsom Salt	Water Agt	Mash	1 hr.
5 g	Gypsum	Water Agt	Mash	1 hr.
1 g	Salt	Water Agt	Mash	1 hr.

Yeast

Fermentis - Safale - German Ale Yeast K-97

Amount:	1 Each	Cost:	$ 6.49 / each $ 6.49
Attenuation (avg):	81%	Flocculation:	High
Optimum Temp:	54 - 77 °F	Starter:	No
Fermentation Temp:	62 °F	Pitch Rate:	0.75 (M cells / ml / ° P) 177 B cells required

$ 6.49 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 24.31 psi Temp: 55 °F CO₂ Level: 2.8 Volumes

Target Water Profile

Kolsch

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
90	10	15	50	70	0
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-04-26 15:10 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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Course Maintenance

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