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Gramps 90 Year Stout

Method: BIAB
Style: American Stout
Boil Time: 90 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 7 gallons
Post Boil Size: 5 gallons
Pre Boil Gravity: 1.044 (recipe based estimate)
Post Boil Gravity: 1.061 (recipe based estimate)
Efficiency: 65% (brew house)
Source: Thomas Cavenagh
Calories: 204 calories (Per 12oz)
Carbs: 23.7 g (Per 12oz)

Created: Saturday March 14th 2026

Original Gravity:

1.061

Final Gravity:

1.019

ABV (standard):

5.5%

IBU (tinseth):

32.1

SRM (morey):

29.7

Mash pH

5.7

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
3.30 lb	Briess - LME Pale Ale3.3 lb LME Pale Ale	34.5	6	28.2%
1.75 lb	Flaked Oats1.75 lb Flaked Oats	33	2.2	15%
3.90 lb	American - Pale Ale3.9 lb Pale Ale	37	3.5	33.3%
1 lb	Briess - Munich Lighthouse1 lb Munich Lighthouse	37	6	8.5%
12 oz	American - Caramel / Crystal 40L12 oz Caramel / Crystal 40L	34	40	6.4%
6 oz	American - Chocolate6 oz Chocolate	29	350	3.2%
10 oz	American - Roasted Barley10 oz Roasted Barley	33	300	5.3%
11.70 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1.50 oz	Fuggles1.5 oz Fuggles Hops	Pellet	4.5	Boil	90 min	29.03	62.5%
0.50 oz	Fuggles0.5 oz Fuggles Hops	Pellet	4.5	Whirlpool	60 min	1.69	20.8%
0.40 oz	Fuggles0.4 oz Fuggles Hops	Pellet	4.5	Whirlpool	0 min	1.35	16.7%
2.40 oz / $ 0.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
2.40 oz	Fuggles (Pellet)		32.07	100%
2.40 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
5 qt			--	154 °F	45 min

Other Ingredients

Amount	Name	Type	Use	Time
1 each	Whirlfloc	Fining	Boil	15 min.
0.25 tsp	Beer Nutrient	Other	Whirlpool	15 min.
0.25 lb	Lactose	Flavor	Mash	0 min.

Yeast

Wyeast - London ESB Ale 1968

Amount:	1 Each	Cost:
Attenuation (avg):	69%	Flocculation:	Very High
Optimum Temp:	64 - 72 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 99 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.75 Volumes

Target Water Profile

1-Chicago, Illinois, USA

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
Mash Chemistry and Brewing Water Calculator

Notes

Roasted oats?
Bourbon soaked maple strip?

Last Updated and Sharing

Views

Brews

Public: Yup, Shared
Last Updated: 2026-03-14 23:26 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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