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Hypothesis Stout

Name: Hypothesis Stout
Prep time: 60 min
Cook time: 60 min
Total time: 120 min
Yield: 21 liters
Cuisine: Homebrewing
Ingredients: 2 kg Pilsner / Export Pilsner; 1.21 kg Flaked Oats; 0.89 kg Pale Chocolate Malt; 0.42 kg DRC; 0.45 kg Honey Malt; 0.37 kg Chocolate Malt; 425 g Black Malt; 1.8 kg Ale Malt; 50 g Centennial Hops

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Method: BIAB
Style: Foreign Extra Stout
Boil Time: 60 min
Batch Size: 21 liters (fermentor volume)
Pre Boil Size: 26.75 liters
Post Boil Size: 22.25 liters
Pre Boil Gravity: 1.062 (recipe based estimate)
Post Boil Gravity: 1.074 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Robert Mallard
Calories: 228 calories (Per 330ml)
Carbs: 23.2 g (Per 330ml)

Created: Thursday February 29th 2024

Original Gravity:

1.074

Final Gravity:

1.018

ABV (standard):

7.4%

IBU (tinseth):

52.8

SRM (morey):

50.0

Mash pH

5.3

Cost $

9.88

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
2 kg	Joe White - Pilsner / Export Pilsner2 kg Pilsner / Export Pilsner	$ 2.60 / kg $ 5.20	36.8	2	26.4%
1.21 kg	Flaked Oats1.21 kg Flaked Oats		33	2.2	16%
0.89 kg	Thomas Fawcett - Pale Chocolate Malt0.89 kg Pale Chocolate Malt		32.2	230	11.8%
0.42 kg	Simpsons - DRC0.42 kg DRC		34.7	115	5.6%
0.45 kg	Gambrinus - Honey Malt0.45 kg Honey Malt		37	25	5.9%
0.37 kg	Joe White - Chocolate Malt0.37 kg Chocolate Malt		33.1	244	4.9%
425 g	Simpsons - Black Malt425 g Black Malt		34	700	5.6%
1.80 kg	Joe White - Ale Malt1.8 kg Ale Malt	$ 2.60 / kg $ 4.68	36.8	2.81	23.8%
7.57 kg / $ 9.88

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
50 g	Artisan - Centennial50 g Centennial Hops		Pellet	9.7	Boil	60 min	52.79	100%
50 g / $ 0.00

Show Summary View

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
32.53 L		Strike	68 °C	67 °C	60 min

Priming

CO₂ Level: 2.2 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

628

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Brews

Public: Yup, Shared
Last Updated: 2026-05-03 02:38 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 %
50 g	Artisan - Centennial (Pellet) 50 g Centennial (Pellet) Hops		52.79	100%
50 g / $ 0.00