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Belgian Single - GMM System

Name: Belgian Single - GMM System
Prep time: 60 min
Cook time: 75 min
Total time: 135 min
Yield: 27 gallons
Cuisine: Homebrewing
Ingredients: 55 lb Chateau Pilsen Malt; 20 lb Pilsner Zero Malt; 15 lb Barke Pilsner Malt; 15 lb Munich Type I; 2 lb Aromatic Malt; 2 lb Special B; 8 lb Cane Sugar; 2.5 oz Magnum Hops; 2 oz Styrian Goldings Hops; 2 oz Styrian Goldings Hops

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Method: All Grain
Style: Trappist Single
Boil Time: 75 min
Batch Size: 27 gallons (ending kettle volume)
Pre Boil Size: 30 gallons
Efficiency: 21% (ending kettle)
Source: Jeff Simonds
Calories: 147 calories (Per 12oz)
Carbs: 12.8 g (Per 12oz)

Created: Wednesday April 1st 2026

Original Gravity:

1.045

Final Gravity:

1.008

ABV (standard):

4.9%

IBU (tinseth):

33.1

SRM (morey):

11.6

Mash pH

5.5

Cost $

n/a

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
55 lb	Castle Malting - Chateau Pilsen Malt55 lb Chateau Pilsen Malt	$ 0.00 / lb $ 0.00	37	2	47.0085%
20 lb	Viking - Pilsner Zero Malt20 lb Pilsner Zero Malt	$ 0.00 / lb $ 0.00	37	1.9	17.094%
15 lb	Weyermann - Barke Pilsner Malt15 lb Barke Pilsner Malt	$ 0.00 / lb $ 0.00	37.03	1.75	12.8205%
15 lb	Weyermann - Munich Type I15 lb Munich Type I	$ 0.00 / lb $ 0.00	38	6	12.8205%
2 lb	Aromatic Malt2 lb Aromatic Malt	$ 0.00 / lb $ 0.00	35	20	1.7094%
2 lb	Special B2 lb Special B	$ 0.00 / lb $ 0.00	34	115	1.7094%
8 lb	Cane Sugar8 lb Cane Sugar	$ 0.00 / lb $ 0.00	46	0	6.83761%
117 lbs / $ 0.00

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
2.50 oz	Magnum2.5 oz Magnum Hops	$ 0.00 / oz $ 0.00	Pellet	14.5	Boil at 212 °F	75 min	29.0309	38.5%
2 oz	Styrian Goldings2 oz Styrian Goldings Hops	$ 0.00 / oz $ 0.00	Pellet	3.8	Boil at 212 °F	15 min	2.89004	30.8%
2 oz	Styrian Goldings2 oz Styrian Goldings Hops	$ 0.00 / oz $ 0.00	Pellet	3.8	Boil	5 min	1.1611	30.8%
6.50 oz / $ 0.00

Show Summary View

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
27 gal		Sparge	168 °F	168 °F	60 min
Starting Mash Thickness: 1.5 qt/lb Starting Grain Temp: 50 °F

Other Ingredients

Amount	Name	Cost	Type	Use	Time
5 each	Whirfloc tablet	$ 0.00 / oz $ 0.00	Fining	Boil	10 min.

Yeast

CellarScience - Monk

Amount:	2 Each	Cost:	$ 0.00 / each $ 0.00
Attenuation (avg):	75%	Flocculation:	Medium
Optimum Temp:	62 - 75 °F	Starter:	No
Fermentation Temp:	68 °F	Pitch Rate:	1.25 (M cells / ml / ° P) 1432 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: sucrose Temp: 68 °F

Target Water Profile

Simonds Farmstead

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
85	85	6	167	18	296
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-05-14 00:09 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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Amount	Variety	Cost	IBU	Bill %
2.50 oz	Magnum (Pellet)	$ 0.00 / oz $ 0.00	29.0309	38.5%
4 oz	Styrian Goldings (Pellet)	$ 0.00 / oz $ 0.00	4.05114	61.6%
6.50 oz / $ 0.00