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Kohatu SH Lager

Method: All Grain
Style: International Pale Lager
Boil Time: 90 min
Batch Size: 5.2 gallons (ending kettle volume)
Pre Boil Size: 7.5 gallons
Pre Boil Gravity: 1.035 (recipe based estimate)
Efficiency: 86% (ending kettle)
Hop Utilization: 75%
Calories: 167 calories (Per 12oz)
Carbs: 16.1 g (Per 12oz)

Created: Thursday December 24th 2020

Original Gravity:

1.051

Final Gravity:

1.011

ABV (standard):

5.3%

IBU (tinseth):

53.2

SRM (morey):

3.1

Mash pH

5.3

Cost $

24.24

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Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
8 lb	Weyermann - Barke Pilsner Malt8 lb Barke Pilsner Malt	$ 1.23 / lb $ 9.83	37.03	1.75	95.2%
6.50 oz	German - Acidulated Malt6.5 oz Acidulated Malt	$ 2.25 / lb $ 0.91	27	3.4	4.8%
8.41 lbs / $ 10.74

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
2 oz	Kohatu2 oz Kohatu Hops	$ 1.69 / oz $ 3.38	Pellet	6.5	Boil at 203 °F	75 min	31.89	25%
1 oz	Kohatu1 oz Kohatu Hops	$ 1.69 / oz $ 1.69	Pellet	6.5	Boil at 203 °F	30 min	11.73	12.5%
3 oz	Kohatu3 oz Kohatu Hops	$ 1.69 / oz $ 5.06	Pellet	6.5	Hop Stand at 175 °F	30 min	9.55	37.5%
2 oz	Kohatu2 oz Kohatu Hops	$ 1.69 / oz $ 3.38	Pellet	6.5	Dry Hop at 45 °F	30 days		25%
8 oz / $ 13.50

Show Summary View

Amount	Variety	Cost	IBU	Bill %
8 oz	Kohatu (Pellet)	$ 1.69 / oz $ 13.50	53.17	100%
8 oz / $ 13.50

Mash Guidelines

Amount	Type	Start Temp	Target Temp	Time
5 gal	Batch Sparge	158 °F	149 °F	50 min
3 gal	Sparge	180 °F	--	--
Starting Mash Thickness: 1.5 qt/lb

Yeast

White Labs - German Lager Yeast WLP830

Amount:	1 Each	Cost:
Attenuation (avg):	76.5%	Flocculation:	Medium
Optimum Temp:	50 - 55 °F	Starter:	Yes
Fermentation Temp:	-	Pitch Rate:	2.0 (M cells / ml / ° P) 497 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.65 Volumes

Target Water Profile

RO Water

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

Notes

Brew notes 1/9/20:

Strike water was 158, initial mash temp 148-150. After about 40 mins, mash temp was down below 145. Heated with the intention of a high mash step around 162, but blew through this to mash out at 170. Luckily it looks like I still got close to 80%+ efficiency which is right where I wanted to be anyway. Ended up with 1.035-1.036 pre boil which is 86-88% efficiency which is better than I could have asked for. 30 minute whirlpool/hopstand starting at about 175.

Came out with 7.5 gallons of wort compared to expected 7. Changed the boil to 80 mins to boil off some extra water.

Final OG approx. 1.051. Pitched on top of existing yeast bed at 63deg. Fermentation chamber set to 54deg SP.

Pitch on top of yeast bed from Yamanote-sen.

Kohatu (NZ) 1oz - Was released in 2011 by the New Zealand Institute for Plant and Food Research. It is a lower Alpha variety (6-7%) that is a descendant of Hallertau Mittelfrüh, which is where Kohatu inherited its high Humulene oil content from. This high Humulene percentage (36-37% of total oil) imparts a complex woodsy and resinous character. Kohatu also has a high Myrcene content (35-36%) that gives it a very fresh aroma of tropical fruits, making it an excellent hop for single-hopped pale ales and session IPAs.

Last Updated and Sharing

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Public: Yup, Shared
Last Updated: 2021-01-09 22:13 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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