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Harp Lager Circa 1962

Method: All Grain
Style: International Pale Lager
Boil Time: 60 min
Batch Size: 5.5 gallons (fermentor volume)
Pre Boil Size: 6.8 gallons
Pre Boil Gravity: 1.037 (recipe based estimate)
Efficiency: 73% (brew house)
Source: Barclay Perkins/Ron Pattinson
Calories: 149 calories (Per 12oz)
Carbs: 16.7 g (Per 12oz)

Created: Sunday May 13th 2018

Original Gravity:

1.045

Final Gravity:

1.013

ABV (standard):

4.2%

IBU (tinseth):

20.8

SRM (morey):

3.5

Mash pH

5.8

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
4.25 lb	German - Bohemian Pilsner4.25 lb Bohemian Pilsner	38	1.9	47.2%
3.50 lb	United Kingdom - Golden Promise3.5 lb Golden Promise	37	3	38.9%
1.25 lb	Flaked Corn1.25 lb Flaked Corn	40	0.5	13.9%
9 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.25 oz	Domestic Hallertau0.25 oz Domestic Hallertau Hops	Pellet	5.6	Boil	60 min	5.46	15.2%
0.40 oz	Saaz0.4 oz Saaz Hops	Pellet	3.2	Boil	60 min	4.99	24.2%
0.50 oz	Domestic Hallertau0.5 oz Domestic Hallertau Hops	Pellet	5.6	Boil	20 min	6.61	30.3%
0.50 oz	Saaz0.5 oz Saaz Hops	Pellet	3.2	Boil	20 min	3.78	30.3%
1.65 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
0.75 oz	Domestic Hallertau (Pellet)	12.07	45.5%
0.90 oz	Saaz (Pellet) 0.89999999794131 oz Saaz (Pellet) Hops	8.77	54.5%
1.65 oz / $ 0.00

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
13.5 qt	Beta Rest @ 156.7 f	Infusion	--	147 °F	40 min
3.8 qt	Apha Rest @ Boiling	Infusion	--	158 °F	30 min
16.2 qt	Batch Sparge @ 185F	Sparge	--	168 °F	15 min
Starting Mash Thickness: 1.5 qt/lb

Other Ingredients

Amount	Name	Type	Use	Time
1 each	Wort Chiller	Other	Boil	15 min.
1 tsp	Irish Moss	Fining	Boil	15 min.
1 qt	Pre-heat Mash Tun (boiling)	Other	Mash	5 min.

Yeast

Wyeast - California Lager 2112

Amount:	1 Each	Cost:
Attenuation (avg):	69%	Flocculation:	High
Optimum Temp:	58 - 68 °F	Starter:	Yes
Fermentation Temp:	62 °F	Pitch Rate:	0.75 (M cells / ml / ° P) 175 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: c02 CO₂ Level: 2.5 Volumes

Target Water Profile

3944

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
1	0	6	2	1	14
Mash Chemistry and Brewing Water Calculator

Notes

http://barclayperkins.blogspot.ca/2009/09/lets-brew-wednesday-1962-harp-lager.html

Ferment at 62, middle of its range, but make sure to note that the yeast is HIGHLY flocculant. It will likely need help getting to a proper FG. Stirring up the fermenting beer might be needed.

Last Updated and Sharing

624

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Brews

Public: Yup, Shared
Last Updated: 2019-01-08 08:49 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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