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Orthanc

Method: All Grain
Style: American Porter
Boil Time: 60 min
Batch Size: 10 gallons (fermentor volume)
Pre Boil Size: 11.5 gallons
Pre Boil Gravity: 1.051 (recipe based estimate)
Post Boil Gravity: 1.059 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 196 calories (Per 12oz)
Carbs: 21.9 g (Per 12oz)

Created: Monday March 13th 2023

Original Gravity:

1.059

Final Gravity:

1.017

ABV (standard):

5.5%

IBU (tinseth):

30.1

SRM (morey):

27.2

Mash pH

5.7

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
16 lb	Crisp Malting - Finest Maris Otter16 lb Finest Maris Otter	38	3	69.6%
2.50 lb	American - Caramel / Crystal 75L2.5 lb Caramel / Crystal 75L	33	75	10.9%
2.50 lb	Weyermann - Beech Smoked Barley2.5 lb Beech Smoked Barley	35	2.7	10.9%
1 lb	Weyermann - Chocolate Rye1 lb Chocolate Rye	29.9	240	4.3%
1 lb	United Kingdom - Pale Chocolate1 lb Pale Chocolate	33	207	4.3%
23 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1 oz	Nugget1 oz Nugget Hops	Leaf/Whole	14	Boil	60 min	23.93	33.3%
1 oz	Goldings1 oz Goldings Hops	Leaf/Whole	4.5	Boil	20 min	4.66	33.3%
1 oz	Goldings1 oz Goldings Hops	Leaf/Whole	4.5	Boil	5 min	1.53	33.3%
3 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
1 oz	Nugget (Leaf/Whole)	23.93	33.3%
2 oz	Goldings (Leaf/Whole)	6.19	66.6%
3 oz / $ 0.00

Other Ingredients

Amount	Name	Type	Use	Time
14 g	Chalk	Water Agt	Mash	1 hr.
6 g	Calcium Chloride (dihydrate)	Water Agt	Mash	1 hr.
2 g	Epsom Salt	Water Agt	Mash	1 hr.
3 g	Gypsum	Water Agt	Mash	1 hr.
5 g	Baking Soda	Water Agt	Mash	1 hr.

Yeast

Imperial Yeast - A10 Darkness

Amount:	1 Each	Cost:
Attenuation (avg):	71%	Flocculation:	Medium
Optimum Temp:	62 - 72 °F	Starter:	No
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 192 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 0 Volumes

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

Notes

Steep a # of patent for 5 minutes to darken the color

Last Updated and Sharing

308

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Brews

Public: Yup, Shared
Last Updated: 2024-02-02 22:25 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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