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Oud Bruin

Method: All Grain
Style: Oud Bruin
Boil Time: 90 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.6 gallons
Post Boil Size: 6 gallons
Pre Boil Gravity: 1.062 (recipe based estimate)
Post Boil Gravity: 1.068 (recipe based estimate)
Efficiency: 64% (brew house)
Rating:

5.00 (1 Review)

Hop Utilization: 98%
Calories: 217 calories (Per 12oz)
Carbs: 10.3 g (Per 12oz)

Created: Friday February 14th 2025

Original Gravity:

1.068

Final Gravity:

1.000

ABV (standard):

8.9%

IBU (tinseth):

22.0

SRM (morey):

20.2

Mash pH

5.4

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
6.75 lb	Weyermann - Barke Pilsner Malt6.75 lb Barke Pilsner Malt	37.03	1.75	42.2%
4 lb	Weyermann - Munich Type II (Dark)4 lb Munich Type II (Dark)	37	10	25%
2.50 lb	Weyermann - Barke Vienna2.5 lb Barke Vienna	36	3.4	15.6%
1 lb	Weyermann - Caramunich Type 21 lb Caramunich Type 2	34	45	6.3%
10 oz	Dingemans - Special B10 oz Special B	33.1	125	3.9%
8 oz	Dingemans - Aromatic Malt8 oz Aromatic Malt	36.3	19	3.1%
8 oz	Flaked Corn8 oz Flaked Corn	40	0.5	3.1%
2 oz	Weyermann - Carafa II2 oz Carafa II	31.5	415	0.8%
16 lbs / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
0.55 oz	Magnum0.55 oz Magnum Hops		Pellet	12.3	Boil	90 min	22.03	100%
0.55 oz / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
0.55 oz	Magnum (Pellet)		22.03	100%
0.55 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
6.32 gal	Single infusion recirculating mash	Infusion	--	154 °F	60 min
2.27 gal	Fly sparge	Fly Sparge	--	175 °F	20 min
Starting Mash Thickness: 1.35 qt/lb

Other Ingredients

Amount	Name	Type	Use	Time
3 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
2 g	Epsom Salt	Water Agt	Mash	1 hr.
3 ml	Lactic acid	Water Agt	Mash	1 hr.

Yeast

White Labs - Flemish Ale Blend WLP665

Amount:	1 Each	Cost:
Attenuation (custom):	101%	Flocculation:	Low/Med
Optimum Temp:	68 - 80 °F	Starter:	No
Fermentation Temp:	65 °F	Pitch Rate:	0.5 (M cells / ml / ° P) 173 B cells required

White Labs - Dusseldorf Alt Yeast WLP036

Amount:	1 Each	Cost:
Attenuation (custom):	80%	Flocculation:	Medium
Optimum Temp:	65 - 72 °F	Starter:	No
Fermentation Temp:	65 °F	Pitch Rate:	0.5 (M cells / ml / ° P) 173 B cells required

White Labs - German Ale/ Kölsch Yeast WLP029

Amount:	1 Each	Cost:
Attenuation (custom):	80%	Flocculation:	Medium
Optimum Temp:	65 - 69 °F	Starter:	No
Fermentation Temp:	65 °F	Pitch Rate:	0.5 (M cells / ml / ° P) 173 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 3.75 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Mash Chemistry and Brewing Water Calculator

Notes

Brewed on 3/1/25
Mash water = 6.32 gallons (23.9 liters)
Sparge water = 2.27 gallons (8.6 liters)
Expecting pre-boil volume of 6.6 gallons (25 liters) or 6.86 gallons (25.9 liters) after 4% wort expansion, actually just at 27 liters.
Expecting mash efficiency of ~75% (at expanded wort volume) which implies a pre boil gravity of 1.045
Mash temp settled right it at ~154F
Hit 1.058 pre-boil gravity vs. 1.064 expected and 1.0XX post-boil. Extending boil to 90 min to try and hit post boil target.
After boil had ~6.XX gallons (expected 6.0 not expanded so this is right on) in the kettle and ~5.5 gallons made it into the fermenter.
Pitched yeast packets at 60F, had to co-pitch altbier and kolsch yeast since Gnome was out of Altbier yeast
Checked gravity on 3/9 before I racked to secondary and added Flemish ale blend and gravity was at 1.019
Packaged on 3/1/26, batch #119, FG was 0.999 (at 67F) which converts to 1.000 so 101% attenuation vs XX% avg. and XX% expected.
Was not tasting sour enough, so added dregs from 1 sapwood cellars oud bruin on 10/31/25.
Fill keg to 52.13 pounds = (1.012FG x 8.345 x 5 gallons) + 9.90 (empty keg weight).
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Last Updated and Sharing

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Public: Yup, Shared
Last Updated: 2026-04-17 02:05 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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