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Fostag Stout

Name: Fostag Stout
Prep time: 60 min
Cook time: 60 min
Total time: 120 min
Yield: 20 liters
Cuisine: Homebrewing
Ingredients: 4.31 kg Maris Otter Pale; 0.45 kg Chocolate; 0.45 kg Roasted Barley; 0.45 kg Caramel / Crystal 120L; 0.34 kg Flaked Oats; 43 g CTZ Hops; 28 g Cascade Hops

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Method: Partial Mash
Style: Dry Stout
Boil Time: 60 min
Batch Size: 20 liters (fermentor volume)
Pre Boil Size: 24 liters
Post Boil Size: 20 liters
Pre Boil Gravity: 1.054 (recipe based estimate)
Post Boil Gravity: 1.065 (recipe based estimate)
Efficiency: 72% (brew house)
Source: Mike Feiertag, 2008 NHC Champion
Calories: 215 calories (Per 12oz)
Carbs: 21.3 g (Per 12oz)
URL: http://www.homebrewersassociation.org/homebrew-recipe/fostag-stout/

Created: Monday June 29th 2026

Original Gravity:

1.065

Final Gravity:

1.015

ABV (standard):

6.5%

IBU (tinseth):

80.8

SRM (morey):

50.0

Mash pH

5.3

Cost £

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
4.31 kg	United Kingdom - Maris Otter Pale4.31 kg Maris Otter Pale	38	3.75	71.8%
0.45 kg	American - Chocolate0.45 kg Chocolate	29	350	7.5%
0.45 kg	United Kingdom - Roasted Barley0.45 kg Roasted Barley	29	550	7.5%
0.45 kg	American - Caramel / Crystal 120L0.45 kg Caramel / Crystal 120L	33	120	7.5%
0.34 kg	Flaked Oats0.34 kg Flaked Oats	33	2.2	5.7%
6 kg / £ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
43 g	CTZ43 g CTZ Hops	Pellet	13.7	Boil	60 min	72.06	60.6%
28 g	Cascade28 g Cascade Hops	Pellet	7	Aroma	10 min	8.69	39.4%
71 g / £ 0.00

Show Summary View

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
26 L		Infusion	25 °C	68 °C	60 min

Other Ingredients

Amount	Name	Type	Use	Time
9 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
1 g	Gypsum	Water Agt	Mash	1 hr.
2 g	Salt	Water Agt	Mash	1 hr.
4 g	Magnesium Chloride	Water Agt	Mash	1 hr.
0.50 g	Baking Soda	Water Agt	Mash	1 hr.

Yeast

White Labs - California Ale Yeast WLP001

Amount:	1 Each	Cost:
Attenuation (avg):	76.5%	Flocculation:	Medium
Optimum Temp:	20 - 23 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 111 B cells required

£ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.65 Volumes

Target Water Profile

Stout Water Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
140	8	17	274	85	144
Mash Chemistry and Brewing Water Calculator

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-07-23 16:32 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	IBU	Bill %
43 g	CTZ (Pellet) 43 g CTZ (Pellet) Hops	72.06	60.6%
28 g	Cascade (Pellet) 28 g Cascade (Pellet) Hops	8.69	39.4%
71 g / £ 0.00