Oatsu

Method: BIAB
Style: Oatmeal Stout
Boil Time: 60 min
Batch Size: 7 liters (fermentor volume)
Pre Boil Size: 28.5 liters
Pre Boil Gravity: 1.014 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 190 calories (Per 355mL)
Carbs: 17 g (Per 355mL)

Created Sunday April 7th 2019

Original Gravity:

1.058

Final Gravity:

1.010

ABV (standard):

6.32%

IBU (tinseth):

33.54

SRM (morey):

38.85

Mash pH

5.34

Fermentables

Amount	Fermentable	PPG	°L	Bill %
1 kg	Crisp - Finest Maris Otter1 kg Finest Maris Otter	38	3	55.6%
0.15 kg	American - Dark Chocolate0.15 kg Dark Chocolate	29	420	8.3%
0.35 kg	Flaked Oats0.35 kg Flaked Oats	33	2.2	19.4%
0.2 kg	Honey0.2 kg Honey	42	2	11.1%
0.1 kg	American - Roasted Barley0.1 kg Roasted Barley	33	300	5.6%
1.8 kg	Total

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
5 g	Northern Brewer5 g Northern Brewer Hops	Pellet	7.8	Boil	50 min	18.55	50%
5 g	Northern Brewer5 g Northern Brewer Hops	Pellet	7.8	Boil	30 min	14.99	50%

Show Summary View

Amount	Variety	IBU	Bill %
10 g	Northern Brewer10 g Northern Brewer Hops	18.55	100%
10 g	Total

Mash Guidelines

Amount	Description	Type	Temp	Time
7 L		Infusion	68 °C	60 min
3 L		Sparge	72 °C	--

Other Ingredients

Amount	Name	Type	Use	Time
1 tbsp	Whirlfloc	Water Agt	Whirlpool	10 min.

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	1 Each
Attenuation (custom):	81%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 35 B cells required

Yeast Pitch Rate and Starter Calculator

Target Water Profile

Otsu Tap

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

Quick Water Requirements

Water	Gallons	Quarts
Recipe is in Metric, but your profile specifies US units. Adjusted volumes to US units
Total mash water needed	4.2	16.8
Grain absorption losses	-0.88	-3.5
Volume increase from sugar/extract (early additions)	0.03	0.1
Starting boil volume	3.35	13.4
Boil off losses	-1.5	-6
Hops absorption losses	-0	-0
Amount going into fermentor	1.85	7.4
Total:	4.2	16.8

Batch Performance

Efficiency:

Conversion: 49%

Pre-Boil: 90% 32.2 ppg

Ending Kettle: 62% 24.5 ppg

Brew House: 67% 26.1 ppg

Wort Volume:

8 Liters

Expected 7 Liters of fermentable wort.
Adjust your equipment profile and calibrate your equipment to dial this in.
Expected OG: 1.058
Actual OG: 1.049

Alcohol and Attenuation:

ABV: 5.12%

Apparent Attenuation: 79.6%
Actual FG: 1.010
Calories per 355mL: 160.5

Amount Packaged:

5.8 Liters

Great job! You get to enjoy the equivalent of:

12oz bottles: 16
1/2L bottles: 12
Pints: 12

Latest Brew Log

Date	Days	Event	Gravity	Volume	Temp	Updated	Comment
2019-04-17	-293	Mash Complete	1.028	8 Liters	65 °C	4/17/2019 2:51 AM
2019-04-17	-293	Pre-Boil Gravity	1.043	10 Liters	63 °C	4/17/2019 2:58 AM
2019-04-17	-293	Boil Complete	1.046	8 Liters	100 °C	4/17/2019 8:25 AM
2019-04-17	-293	Brew Day Complete	1.049	8 Liters	19 °C	4/17/2019 8:26 AM
2019-04-28	-282	Fermentation Complete	1.010	5.8 Liters	20 °C	4/28/2019 3:13 AM	Beautiful color and a great taste. Hoping conditioning pulls a little more harsh from it and mellows the sweet
2019-04-28	-282	Packaged	1.010	5.8 Liters	20 °C	4/28/2019 3:14 AM
2019-05-07	-273	Tasting Note	1.010		5 °C	5/8/2019 2:33 AM	Very happy with this one. The grain bill blended quite nicely without any overpowering flavors, while still showing the full range as the drink travels across the palate. There is a slight alcohol tinge that I'm a little upset about, but it is a highly drinkable brew. Only change I'd want to make is adding lactose.

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Last Updated: 2019-04-13 16:11 UTC