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Joe Roggen is a Gullible Fool Mk2

Name: Joe Roggen is a Gullible Fool Mk2
Cook time: 60 min
Total time: 60 min
Yield: 19 liters
Cuisine: Homebrewing
Ingredients: 6.25 lb Century Rye; 1 lb Crystal 120; 1.5 lb Munich Type I; 3 lb DME Pilsen Light; 1 lb Rice Hulls; 0.3 oz Columbus Hops; 0.5 oz Willamette Hops; 0.5 oz Willamette Hops

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Method: All Grain
Style: Roggenbier
Boil Time: 60 min
Batch Size: 19 liters (fermentor volume)
Pre Boil Size: 24.18 liters
Pre Boil Gravity: 1.044 (recipe based estimate)
Post Boil Gravity: 1.057 (recipe based estimate)
Efficiency: 65% (brew house)
Source: Gerald Gunn
Hop Utilization: 94%
Calories: 346 calories (Per 650ml)
Carbs: 36.8 g (Per 650ml)

Created: Monday August 24th 2026

2021 Roggenbier

by Dr. Ned

OG: 1.052 FG: 1.012 ABV: 5.2% IBU: 20

Original Gravity:

1.057

Final Gravity:

1.015

ABV (standard):

5.4%

IBU (tinseth):

18.3

SRM (morey):

15.5

Mash pH

5.0

Cost $

49.88

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Brew Log History

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Carbs: {{ stats.carbs | number:1 }} g / 650ml

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
6.25 lb	Canada Malting - Century Rye6.25 lb Century Rye	$ 2.99 / lb $ 18.69	29	2.65	49%
1 lb	Great Western - Crystal 1201 lb Crystal 120	$ 2.19 / kg $ 0.99	0	120	7.8%
1.50 lb	Weyermann - Munich Type I1.5 lb Munich Type I	$ 2.29 / lb $ 3.44	38	6	11.8%
3 lb	Briess - DME Pilsen Light3 lb DME Pilsen Light	$ 5.66 / lb $ 16.98	43	2	23.5%
1 lb	Rice Hulls1 lb Rice Hulls		0	0	7.8%
12.75 lbs / $ 40.10

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
0.30 oz	Columbus0.3 oz Columbus Hops	$ 2.50 / oz $ 0.75	Pellet	15	Boil	40 min	14.78	23.1%
0.50 oz	Willamette0.5 oz Willamette Hops	$ 3.00 / oz $ 1.50	Pellet	5.2	Boil	10 min	3.53	38.5%
0.50 oz	Willamette0.5 oz Willamette Hops	$ 3.00 / oz $ 1.50	Pellet	5.2	Boil	0 min		38.5%
1.30 oz / $ 3.75

Show Summary View

Other Ingredients

Amount	Name	Cost	Type	Use	Time
1 g	Calcium Chloride	$ 0.02 / g $ 0.02	Water Agt	Mash	0 min.
5 g	Epsom Salt		Water Agt	Mash	0 min.
3 g	Gypsum		Water Agt	Mash	0 min.
2 g	Sodium Bicarbonate	$ 0.01 / g $ 0.02	Water Agt	Mash	0 min.
2.50 ml	lactic acid		Water Agt	Mash	0 min.
$ 0.04

Yeast

Mangrove Jack - Bavarian Wheat Yeast M20

Amount:	1 Each	Cost:	$ 5.99 / each $ 5.99
Attenuation (avg):	73%	Flocculation:	Low
Optimum Temp:	15 - 30 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 93 B cells required

$ 5.99 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.35 Volumes

Target Water Profile

Balanced Profile II

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
150	10	80	150	160	220
Mash Chemistry and Brewing Water Calculator

Notes

Mk1 was too thick stuck sparge added an extra half pound of rice hulls.

Last Updated and Sharing

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Public: Yup, Shared
Last Updated: 2026-08-24 21:08 UTC

System Default

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 %
0.30 oz	Columbus (Pellet)	$ 2.50 / oz $ 0.75	14.78	23.1%
1 oz	Willamette (Pellet)	$ 3.00 / oz $ 3.00	3.53	77%
1.30 oz / $ 3.75

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Joe Roggen is a Gullible Fool Mk2

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