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The Big OS

Method: All Grain
Style: Russian Imperial Stout
Boil Time: 90 min
Batch Size: 6.5 gallons (ending kettle volume)
Pre Boil Size: 8.5 gallons
Pre Boil Gravity: 1.071 (recipe based estimate)
Efficiency: 68% (ending kettle)
Calories: 307 calories (Per 12oz)
Carbs: 30.7 g (Per 12oz)

Created: Thursday June 25th 2015

Original Gravity:

1.092

Final Gravity:

1.022

ABV (alternate):

10.1%

IBU (tinseth):

58.0

SRM (mosher):

38.2

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
19 lb	American - Pale 2-Row19 lb Pale 2-Row	37	1.8	77.6%
2 lb	Flaked Oats2 lb Flaked Oats	33	2.2	8.2%
1 lb	American - Roasted Barley1 lb Roasted Barley	33	300	4.1%
1 lb	United Kingdom - Carastan (30/37)1 lb Carastan (30/37)	35	34	4.1%
0.75 lb	American - Caramel / Crystal 120L0.75 lb Caramel / Crystal 120L	33	120	3.1%
0.75 lb	American - Chocolate0.75 lb Chocolate	29	350	3.1%
24.50 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
2 oz	Northern Brewer2 oz Northern Brewer Hops	Pellet	7.8	Boil	90 min	40.52	50%
1 oz	East Kent Goldings1 oz East Kent Goldings Hops	Pellet	5.7	Boil	30 min	10.64	25%
1 oz	East Kent Goldings1 oz East Kent Goldings Hops	Pellet	5.7	Boil	15 min	6.87	25%
4 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
2 oz	Northern Brewer (Pellet)	40.52	50%
2 oz	East Kent Goldings (Pellet)	17.51	50%
4 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
47 qt		--	--	152 °F	120 min
Starting Mash Thickness: 1.5 qt/lb

Yeast

White Labs - Dry English Ale Yeast WLP007

Amount:	1 Each	Cost:
Attenuation (custom):	75%	Flocculation:	Med-High
Optimum Temp:	65 - 70 °F	Starter:	Yes
Fermentation Temp:	68 °F	Pitch Rate:	0.75 (M cells / ml / ° P) 406 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

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

710

Views

Brews

Public: Yup, Shared
Last Updated: 2015-10-16 11:52 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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