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COG challenge

Method: All Grain
Style: Specialty IPA: Black IPA
Boil Time: 60 min
Batch Size: 20 liters (fermentor volume)
Pre Boil Size: 24 liters
Post Boil Size: 20 liters
Pre Boil Gravity: 1.075 (recipe based estimate)
Post Boil Gravity: 1.090 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Lachtacular
Calories: 283 calories (Per 330ml)
Carbs: 34 g (Per 330ml)

Created: Monday March 3rd 2025

Original Gravity:

1.090

Final Gravity:

1.030

ABV (standard):

7.9%

IBU (tinseth):

37.1

SRM (morey):

46.4

Mash pH

n/a

Cost $

12.73

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
3 kg	Crisp Malting - Europils Malt3 kg Europils Malt		37.5	1.87	35.4%
0.41 kg	Crisp Malting - Dark Munich0.41 kg Dark Munich	$ 3.79 / kg $ 1.55	36.3	19	4.8%
0.50 kg	Rolled Oats0.5 kg Rolled Oats		33	2.2	5.9%
0.20 kg	Gladfield - Golden Oat Malt0.2 kg Golden Oat Malt		32	1.7	2.4%
0.50 kg	Flaked Barley0.5 kg Flaked Barley	$ 3.16 / kg $ 1.58	32	2.2	5.9%
0.32 kg	Gladfield - Light Chocolate Malt0.32 kg Light Chocolate Malt	$ 5.45 / kg $ 1.74	32.7	355	3.8%
0.30 kg	Gladfield - Roasted Wheat0.3 kg Roasted Wheat	$ 4.36 / kg $ 1.31	33.6	279.19	3.5%
0.50 kg	Crisp Malting - Brown Malt0.5 kg Brown Malt	$ 4.36 / kg $ 2.18	32.7	65	5.9%
0.50 kg	Gladfield - Shepherds Delight Malt0.5 kg Shepherds Delight Malt	$ 4.36 / kg $ 2.18	35.4	120	5.9%
1.50 kg	Coopers - Premium Pale Malt1.5 kg Premium Pale Malt		37	3.2	17.7%
0.25 kg	Lactose (Milk Sugar)0.25 kg Lactose (Milk Sugar)		41	1	2.9%
0.50 kg	Gladfield - Dark Crystal Malt0.5 kg Dark Crystal Malt	$ 4.36 / kg $ 2.18	35.4	96.45	5.9%
8.48 kg / $ 12.73

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
30 g	Chinook30 g Chinook Hops	Pellet	12.2	Boil	60 min	37.05	13%
25 g	Yakima Chief Hops - Mosaic LupuLN2 (Cryo)25 g Mosaic LupuLN2 (Cryo) Hops	Lupulin Pellet	22	Boil	0 min		10.9%
25 g	Yakima Chief Hops - Citra LupuLN2 (Cryo)25 g Citra LupuLN2 (Cryo) Hops	Lupulin Pellet	25	Boil	0 min		10.9%
50 g	unknown50 g unknown Hops	Pellet	9	Boil	0 min		21.7%
50 g	unknown50 g unknown Hops	Pellet	9	Dry Hop	4 days		21.7%
25 g	cryo pop25 g cryo pop Hops	Lupulin Pellet	22	Dry Hop	4 days		10.9%
25 g	Yakima Chief Hops - Mosaic LupuLN2 (Cryo)25 g Mosaic LupuLN2 (Cryo) Hops	Lupulin Pellet	22	Dry Hop	4 days		10.9%
230 g / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
30 g	Chinook (Pellet) 30 g Chinook (Pellet) Hops	37.05	13%
50 g	Yakima Chief Hops - Mosaic LupuLN2 (Cryo) (Lupulin Pellet)	0	21.8%
25 g	Yakima Chief Hops - Citra LupuLN2 (Cryo) (Lupulin Pellet)		10.9%
100 g	unknown (Pellet) 100 g unknown (Pellet) Hops	0	43.4%
25 g	cryo pop (Lupulin Pellet) 25 g cryo pop (Lupulin Pellet) Hops		10.9%
230 g / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
19.07 L		Strike	78 °C	70 °C	60 min
Starting Mash Thickness: 2.5 L/kg Starting Grain Temp: 20 °C

Yeast

Lallemand - Verdant IPA

Amount:	1 Each	Cost:
Attenuation (custom):	75%	Flocculation:	High
Optimum Temp:	18 - 23 °C	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 151 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.25 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

Last Updated and Sharing

131

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Brews

Public: Yup, Shared
Last Updated: 2025-03-12 13:37 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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