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Oatmeal Stout

Method: All Grain
Style: Oatmeal Stout
Boil Time: 60 min
Batch Size: 25 liters (fermentor volume)
Pre Boil Size: 30 liters
Post Boil Size: 27 liters
Pre Boil Gravity: 1.051 (recipe based estimate)
Post Boil Gravity: 1.056 (recipe based estimate)
Efficiency: 85% (brew house)
Hop Utilization: 99%
Calories: 173 calories (Per 330ml)
Carbs: 20 g (Per 330ml)

Created: Sunday December 9th 2018

Original Gravity:

1.056

Final Gravity:

1.017

ABV (standard):

5.2%

IBU (tinseth):

28.8

SRM (morey):

31.3

Mash pH

5.4

Cost $

34.39

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
4 kg	Bairds - Pale 2-Row4 kg Pale 2-Row	$ 1.88 / kg $ 7.50	32	2.4	64.5%
500 g	Joe White - Munich - Light 10L500 g Munich - Light 10L	$ 4.00 / kg $ 2.00	30	6.5	8.1%
500 g	Rolled Oats500 g Rolled Oats	$ 5.50 / kg $ 2.75	33	2.2	8.1%
300 g	Gladfield - Toffee Malt300 g Toffee Malt	$ 5.20 / kg $ 1.56	34	5.33	4.8%
300 g	Joe White - Medium Crystal Malt300 g Medium Crystal Malt	$ 4.00 / kg $ 1.20	34.5	39	4.8%
200 g	Joe White - Roast Barley200 g Roast Barley	$ 4.80 / kg $ 0.96	25	506.45	3.2%
200 g	Joe White - Light Chocolate Malt200 g Light Chocolate Malt	$ 4.80 / kg $ 0.96	32.7	200	3.2%
200 g	Simpsons - Chocolate Malt200 g Chocolate Malt	$ 5.50 / kg $ 1.10	34	425	3.2%
6,200 g / $ 18.03

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
40 g	Fuggles40 g Fuggles Hops	$ 63.00 / kg $ 2.52	Pellet	4.3	Boil at 100 °C	60 min	18.9	57.1%
30 g	Fuggles30 g Fuggles Hops	$ 63.00 / kg $ 1.89	Pellet	4.3	Boil at 100 °C	30 min	9.9	42.9%
70 g / $ 4.41

Show Summary View

Amount	Variety	Cost	IBU	Bill %
70 g	Fuggles (Pellet) 70 g Fuggles (Pellet) Hops	$ 63.00 / kg $ 4.41	28.8	100%
70 g / $ 4.41

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
10 L	Infusion mash	Infusion	77 °C	67 °C	60 min
4 L	Cereal Mash	Decoction	70 °C	100 °C	35 min
20 L	Batch sparge	Sparge	90 °C	80 °C	15 min
Starting Mash Thickness: 2 L/kg Starting Grain Temp: 25 °C

Other Ingredients

Amount	Name	Cost	Type	Use	Time
5 g	Gypsum	$ 11.00 / kg $ 0.06	Water Agt	Mash	1 hr.
3 g	Table Salt		Water Agt	Mash	1 hr.
5 g	Citric acid	$ 9.95 / kg $ 0.05	Water Agt	Mash	1 hr.
$ 0.10

Yeast

White Labs - English Ale Yeast WLP002

Amount:	1 Each	Cost:	$ 11.85 / each $ 11.85
Attenuation (custom):	69%	Flocculation:	Very High
Optimum Temp:	18 - 20 °C	Starter:	Yes
Fermentation Temp:	19 °C	Pitch Rate:	1.0 (M cells / ml / ° P) 345 B cells required

$ 11.85 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.52 Volumes

Target Water Profile

London (Porter, dark ales)

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
100	5	35	60	50	265
Mash Chemistry and Brewing Water Calculator

Notes

Begin single infusion mash, after 25min, pull approx 3L of mash for decoction/cereal mash. (Consistency of cereal mash should be thin, gruel-like)

Cereal Mash:
1 - Bring ~3L water to 70C with 500g oats & 200g Pale malt hold for 5 min - this step gelatinises the oats.
2 - Bring to boil, hold for 30 min. Stir constantly.
2a - Top up with hot water as needed (used 1L)
3 - Return cereals to infusion mash
4 - Continue mash
5 - Batch sparge

http://www.milkthefunk.com/wiki/Cereal_Mashing#How_to_cereal_mash

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2020-05-04 06:27 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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