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Starless Aurora (17° 7,4% 69 IBU oatmeal imperial stout, 12/2023, "S")

Method: All Grain
Style: Imperial Stout
Boil Time: 90 min
Batch Size: 35 liters (fermentor volume)
Pre Boil Size: 44.2 liters
Post Boil Size: 40.6 liters
Pre Boil Gravity: 1.063 (recipe based estimate)
Post Boil Gravity: 1.069 (recipe based estimate)
Efficiency: 71% (brew house)
Source: G@G Homebrewing
Hop Utilization: 98%
Calories: 319 calories (Per 0.5L)
Carbs: 27.6 g (Per 0.5L)

Created: Friday December 8th 2023

Original Gravity:

1.069

Final Gravity:

1.012

ABV (standard):

7.4%

IBU (tinseth):

69.0

EBC (ebcmorey):

67.7

Mash pH

n/a

Cost €

n/a

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Fermentables

Amount	Fermentable	PPG	EBC	Bill %
9.20 kg	German - Pale Ale9.2 kg Pale Ale	39	4.64	80.7%
0.30 kg	German - CaraBohemian0.3 kg CaraBohemian	33	198.64	2.6%
0.30 kg	Weyermann - CaraAroma0.3 kg CaraAroma	36	372.1	2.6%
0.40 kg	Weyermann - Carafa II0.4 kg Carafa II - (late boil kettle addition)	31.5	1105.96	3.5%
0.20 kg	Weyermann - Carafa Special Type 1 0.2 kg Carafa Special Type 1 - (late boil kettle addition)	29.9	905.81	1.8%
0.10 kg	Weyermann - Roasted Barley0.1 kg Roasted Barley - (late boil kettle addition)	29.9	1151.32	0.9%
0.10 kg	Weyermann - Chocolate Wheat0.1 kg Chocolate Wheat - (late boil kettle addition)	34.8	1105.96	0.9%
0.80 kg	Flaked Oats0.8 kg Flaked Oats	33	4.37	7%
11.40 kg / 0.00 €

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
32 g	Columbus32 g Columbus Hops	Pellet	15	Boil	90 min	32.43	23.5%
16 g	Chinook16 g Chinook Hops	Pellet	13	Boil	90 min	14.05	11.8%
16 g	Chinook16 g Chinook Hops	Pellet	13	Boil	20 min	7.95	11.8%
12 g	Amarillo12 g Amarillo Hops	Pellet	8.6	Boil	20 min	3.95	8.8%
36 g	Columbus36 g Columbus Hops	Pellet	15	Whirlpool	0 min	7.72	26.5%
24 g	Amarillo24 g Amarillo Hops	Pellet	8.6	Whirlpool	0 min	2.95	17.6%
136 g / 0.00 €

Show Summary View

Amount	Variety	IBU	Bill %
68 g	Columbus (Pellet) 68 g Columbus (Pellet) Hops	40.15	50%
32 g	Chinook (Pellet) 32 g Chinook (Pellet) Hops	22	23.6%
36 g	Amarillo (Pellet) 36 g Amarillo (Pellet) Hops	6.9	26.4%
136 g / 0.00 €

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
40 L	Infusion	60 °C	60 °C	25 min
	Infusion	65 °C	65 °C	75 min
	Infusion	73 °C	73 °C	10 min
	Infusion	78 °C	78 °C	5 min
17 L	Fly Sparge	78 °C	--	10 min
Starting Mash Thickness: 3.65 L/kg

Other Ingredients

Amount	Name	Cost	Type	Use	Time
4 each	Vanilla Bean		Flavor	Secondary	5 days

Yeast

Lallemand - LALBREW® NOTTINGHAM HIGH PERFORMANCE ALE YEAST

Amount:	400 Milliliters	Cost:
Attenuation (avg):	80%	Flocculation:	High
Optimum Temp:	10 - 22 °C	Starter:	Yes
Fermentation Temp:	22 °C	Pitch Rate:	1.25 (M cells / ml / ° P) 736 B cells required

0.00 € Yeast Pitch Rate and Starter Calculator

Priming

Method: dextrose Amount: 170 Temp: 20 °C 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

Notes

add "late addition" fermentables into 3rd infusion step (73°C)
50ml vanilla extract = equivalent of 5 vanilla beans

1) coldbrew variant: 500ml coldbrew + 5L beer (while bottling)
2) chilli chocolate variant: 100g cocoa nibs + 3x white habanero + 5L beer for >7 days
3) barrique variant: 150g barrique chips + 5L beer for >2 months

Based on "Witchcraft RIS", Pivařka 2

Last Updated and Sharing

155

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Brews

Public: Yup, Shared
Last Updated: 2023-12-10 19:03 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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