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Martha's Once a Week

Method: BIAB
Style: American Stout
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 7.11 gallons
Post Boil Size: 5.61 gallons
Pre Boil Gravity: 1.056 (recipe based estimate)
Post Boil Gravity: 1.072 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 240 calories (Per 12oz)
Carbs: 25.4 g (Per 12oz)

Created: Friday March 5th 2021

Original Gravity:

1.072

Final Gravity:

1.019

ABV (standard):

6.8%

IBU (tinseth):

56.8

SRM (morey):

50.0

Mash pH

5.5

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
10 lb	US - Pale 2-Row10 lb Pale 2-Row	37	1.8	62.5%
2 lb	Flaked Oats2 lb Flaked Oats	33	2.2	12.5%
1 lb	American - Chocolate1 lb Chocolate	29	350	6.3%
12 oz	Flaked Barley12 oz Flaked Barley	32	2.2	4.7%
12 oz	American - Caramel / Crystal 120L12 oz Caramel / Crystal 120L	33	120	4.7%
12 oz	American - Roasted Barley12 oz Roasted Barley	33	300	4.7%
8 oz	Proximity - Chocolate Rye8 oz Chocolate Rye	34.5	225	3.1%
4 oz	United Kingdom - Black Patent4 oz Black Patent	27	525	1.6%
256 oz / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.50 oz	CTZ0.5 oz CTZ Hops	Pellet	15.5	Boil at 212 °F	60 min	25.26	20%
1 oz	Centennial1 oz Centennial Hops	Pellet	10	Boil at 212 °F	20 min	19.74	40%
1 oz	Centennial1 oz Centennial Hops	Pellet	10	Boil at 212 °F	10 min	11.82	40%
2.50 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
0.50 oz	CTZ (Pellet) 0.49999999885628 oz CTZ (Pellet) Hops	25.26	20%
2 oz	Centennial (Pellet)	31.56	80%
2.50 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
8 gal		Infusion	164 °F	154 °F	60 min

Other Ingredients

Amount	Name	Type	Use	Time
1 tsp	Gypsum	Water Agt	Boil	1 hr.
3 oz	chocolate powder	Flavor	Boil	5 min.
3 oz	chocolate powder	Flavor	Secondary	7 days
3 each	vanilla beans	Flavor	Secondary	7 days

Yeast

Imperial Yeast - A07 Flagship

Amount:	1 Each	Cost:
Attenuation (avg):	73%	Flocculation:	Medium-low
Optimum Temp:	60 - 72 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 128 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.75 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
80	5	25	75	80	100
Mash Chemistry and Brewing Water Calculator

Notes

Toast the nibs before adding or if using more chocolate powder dissolve in water and bring to a short boil and then cool off before adding to secondary.

Used Centennial because I was out of Cascade.

Brewed 5/2/21. OG=1.070. Fermentation took off by next morning.

Last Updated and Sharing

406

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Brews

Public: Yup, Shared
Last Updated: 2021-05-04 14:53 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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