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Deschutes Obsidian Stout Clone (Obsidian Star)

Method: All Grain
Style: American Stout
Boil Time: 90 min
Batch Size: 23 liters (fermentor volume)
Pre Boil Size: 29 liters
Pre Boil Gravity: 1.059 (recipe based estimate)
Post Boil Gravity: 1.075 (recipe based estimate)
Efficiency: 72% (brew house)
Source: Can You Brew It
Calories: 232 calories (Per 330ml)
Carbs: 24.8 g (Per 330ml)

Created: Wednesday March 31st 2021

Original Gravity:

1.075

Final Gravity:

1.020

ABV (standard):

7.3%

IBU (tinseth):

54.4

SRM (morey):

44.8

Mash pH

5.5

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
0.32 kg	Bestmalz - BEST Caramel Pils0.32 kg BEST Caramel Pils	37	2.43	4.1%
0.32 kg	Bestmalz - BEST Munich Dark 0.32 kg BEST Munich Dark	36.23	11	4.1%
0.32 kg	Gladfield - Wheat Malt0.32 kg Wheat Malt	38.8	2.13	4.1%
0.32 kg	Weyermann - Carafa Special Type III0.32 kg Carafa Special Type III	29.9	525	4.1%
5.72 kg	Gladfield - NZ - Gladfield - Ale Malt5.72 kg NZ - Gladfield - Ale Malt	37.4	2.6	72.9%
0.53 kg	Gladfield - NZ - Gladfield - Dark Crystal Malt	35.4	85	6.8%
0.32 kg	Bairds - GB - Bairds - Black Patent0.32 kg GB - Bairds - Black Patent	27	500	4.1%
7.85 kg / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
30 g	Southern Cross (12.5 AA)30 g Southern Cross (12.5 AA) Hops	Pellet	12.2	Boil	60 min	37.11	35.3%
5 g	Southern Cross (12.5 AA)5 g Southern Cross (12.5 AA) Hops	Pellet	12.2	Boil	30 min	4.75	5.9%
25 g	Willamette (4.5 AA)25 g Willamette (4.5 AA) Hops	Pellet	5.1	Boil	30 min	9.93	29.4%
25 g	Willamette (4.5 AA)25 g Willamette (4.5 AA) Hops	Pellet	5.1	Boil	5 min	2.58	29.4%
85 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
35 g	Southern Cross (12.5 AA) (Pellet)	41.86	41.2%
50 g	Willamette (4.5 AA) (Pellet) 50 g Willamette (4.5 AA) (Pellet) Hops	12.51	58.8%
85 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
		Temperature	--	66 °C	75 min
Starting Mash Thickness: 2.92 L/kg

Other Ingredients

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

Yeast

Fermentis - Safale - American Ale Yeast US-05

Amount:	2 Each	Cost:
Attenuation (custom):	72%	Flocculation:	Medium
Optimum Temp:	12 - 25 °C	Starter:	No
Fermentation Temp:	18.3 °C	Pitch Rate:	0.75 (M cells / ml / ° P) 314 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.75 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

Last Updated and Sharing

818

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Brews

Public: Yup, Shared
Last Updated: 2021-06-14 06:27 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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