View Recipe

Recipe Tools ▼
- Brew!
- Copy
- Label Generator
- Quick Water Requirements
- Add To
  Shopping List
Export ▼
- Embed
- Text
- HTML
- BeerXML
Print

Course Maintenance

Name: Course Maintenance
Prep time: 60 min
Cook time: 90 min
Total time: 150 min
Yield: 5.5 gallons
Cuisine: Homebrewing
Ingredients: 7.5 lb Old World Pilsner; 2 lb Vienna; 0.25 oz alora Hops; 0.25 oz alora Hops; 0.25 oz alora Hops; 0.25 oz alora Hops

Like this recipe?

Save this Recipe →Free account · keep it in your recipe box

Method: BIAB
Style: Kölsch
Boil Time: 90 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.29 gallons
Post Boil Size: 5.51 gallons
Pre Boil Gravity: 9.9 °P (recipe based estimate)
Post Boil Gravity: 11.3 °P (recipe based estimate)
Efficiency: 72% (brew house)
Calories: 147 calories (Per 16oz)
Carbs: 12.7 g (Per 16oz)

Created: Thursday December 26th 2024

Original Gravity:

11.3 °P

Final Gravity:

2.0 °P

ABV (standard):

4.9%

IBU (tinseth):

26.1

SRM (morey):

3.7

Mash pH

5.3

Cost $

9.89

Want no ads? Go Premium and unlock all our brewing tools!

Fermentation History

Target 62°F
Ambient: {{ stats.ambient | number:0 }} °F

OG: {{ stats.ogPlato | number:2 }}°P
Attenuation: {{ stats.attenuation | number:2 }}%

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

Readings: {{ readingsCount | number }}

Device Filter
{{ device.name | titlecase }} {{ ((device.name | lowercase) != (device.type | lowercase)) ? (device.type | titlecase) : '' }}

Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
7.50 lb	Rahr - Old World Pilsner7.5 lb Old World Pilsner		36.3	1.75	78.9%
2 lb	Viking - Vienna2 lb Vienna	$ 1.70 / lb $ 3.40	37	3.6	21.1%
9.50 lbs / $ 3.40

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.25 oz	alora0.25 oz alora Hops	Pellet	10.5	First Wort	60 min	11.71	25%
0.25 oz	alora0.25 oz alora Hops	Pellet	10.5	Boil	30 min	7.65	25%
0.25 oz	alora0.25 oz alora Hops	Pellet	10.5	Boil	15 min	4.94	25%
0.25 oz	alora0.25 oz alora Hops	Pellet	10.5	Whirlpool	10 min	1.79	25%
1 oz / $ 0.00

Show Summary View

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
14.25 qt	Strike	152 °F	147 °F	30 min
2.3 qt	Temperature	212 °F	155 °F	30 min
3.5 gal	Sparge	180 °F	170 °F	--

Other Ingredients

Amount	Name	Type	Use	Time
2 g	Calcium Chloride (anhydrous)	Water Agt	Mash	1 hr.
6.50 g	Citric acid	Water Agt	Mash	1 hr.
2 g	Epsom Salt	Water Agt	Mash	1 hr.
2 g	Gypsum	Water Agt	Mash	1 hr.
2.23 g	Citric acid	Water Agt	Sparge	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) 176 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

769

Views

Brews

Public: Yup, Shared
Last Updated: 2026-06-27 17:24 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

Discussion about this recipe:

You must be logged in to add comments.

If you do not yet have an account, you may register here.

Want no ads? Go Premium and unlock all our brewing tools!

View Recipe

Course Maintenance

{{ formatHeaderDate(dates.navStart) | date:'mediumDate' }} to {{ formatHeaderDate(dates.navEnd) | date:'mediumDate' }}

{{ formatHeaderDate(dates.navStart) | date:'mediumDate' }} ^to {{ formatHeaderDate(dates.navEnd) | date:'mediumDate' }}