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imperial stout

Method: All Grain
Style: Irish Stout
Boil Time: 60 min
Batch Size: 6.5 gallons (fermentor volume)
Pre Boil Size: 8 gallons
Pre Boil Gravity: 1.061 (recipe based estimate)
Efficiency: 83% (brew house)
Calories: 249 calories (Per 12oz)
Carbs: 25.1 g (Per 12oz)

Created: Thursday August 16th 2018

Original Gravity:

1.075

Final Gravity:

1.018

ABV (standard):

7.5%

IBU (tinseth):

46.0

SRM (morey):

50.0

Mash pH

5.4

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
12 lb	United Kingdom - Maris Otter Pale12 lb Maris Otter Pale	38	3.75	75%
1.75 lb	United Kingdom - Roasted Barley1.75 lb Roasted Barley	29	550	10.9%
1.50 lb	American - Caramel / Crystal 10L1.5 lb Caramel / Crystal 10L	35	10	9.4%
0.75 lb	United Kingdom - Chocolate0.75 lb Chocolate	34	425	4.7%
16 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1 oz	Nugget1 oz Nugget Hops	Pellet	13.4	Boil	90 min	38.08	33.3%
1 oz	Kent Goldings1 oz Kent Goldings Hops	Pellet	6	Boil	15 min	7.91	33.3%
1 oz	Kent Goldings1 oz Kent Goldings Hops	Pellet	6	Dry Hop	0 days		33.3%
3 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
1 oz	Nugget (Pellet)	38.08	33.3%
2 oz	Kent Goldings (Pellet)	7.91	66.6%
3 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
		Infusion	--	152 °F	60 min
Starting Mash Thickness: 1.5 qt/lb

Other Ingredients

Amount	Name	Type	Use	Time
1 tsp	Gypsum	Water Agt	Mash	1 hr.
16.50 ml	Lactic acid	Water Agt	Mash	1 hr.
8 g	Slaked Lime	Water Agt	Mash	1 hr.
1.50 g	Epsom Salt	Water Agt	Mash	1 hr.
1 each	Whirlfloc	Water Agt	Boil	10 min.
1 tsp	Gypsum	Water Agt	Boil	1 hr.

Priming

CO₂ Level: 1.25 Volumes

Target Water Profile

Dublin (Dry Stout)

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
110	4	12	19	53	280
Mash Chemistry and Brewing Water Calculator

Notes

Problems from the start. I put too much water in for the mash Brewer's Friend recommends 6gal for 16lbs of grain. I used the graduated lines on the BEMB to 6. The mash was difficult due to too much water. Next time need to check the accuracy. Need to do 5 gallons at mash and 3 or 3.3 on sparge. Before boil gravity was 1.045. I added 1.5Lbs DME, boiled for 90min instead of 60 and rechecked the gravity with 20min left. I was at 1.060 when the target was 1.069. After calculations I added 7oz of DME. FG before pitching was 1.075. Next time need at least 1 gallon less.

entered into contest Aug 2018. 24/50, 19/50. Thought acrid taste from too much black/dark malt. next time reduce black malt.

Last Updated and Sharing

374

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Brews

Public: Yup, Shared
Last Updated: 2019-08-10 01:24 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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