Hurricane Kolsch 2

Method: All Grain
Style: Kölsch
Boil Time: 90 min
Batch Size: 10.5 gallons (fermentor volume)
Pre Boil Size: 13 gallons
Post Boil Size: 10.8 gallons
Pre Boil Gravity: 1.047 (recipe based estimate)
Post Boil Gravity: 1.056 (recipe based estimate)
Efficiency: 75% (brew house)
Source: Rock
Calories: 183 calories (Per 12oz)
Carbs: 15.3 g (Per 12oz)

Created: Tuesday June 16th 2015

Original Gravity:

1.056

Final Gravity:

1.009

ABV (standard):

6.2%

IBU (tinseth):

31.7

SRM (morey):

5.4

Mash pH

n/a

Cost $

53.65

Fermentables

Amount	Fermentable	Cost	PPG	°L	Bill %
8 lb	US - Pale 2-Row8 lb Pale 2-Row	$ 1.15 / lb $ 9.20	37	1.8	38.3%
6 lb	German - Pilsner6 lb Pilsner	$ 1.60 / lb $ 9.60	38	1.6	28.7%
5 lb	American - Vienna5 lb Vienna	$ 2.00 / lb $ 10.00	35	4	24%
1 lb	Canadian - Honey Malt1 lb Honey Malt	$ 1.85 / lb $ 1.85	37	25	4.8%
0.85 lb	Cane Sugar0.85 lb Cane Sugar		46	0	4.1%
0.40 oz	Honey (Buckwheat)0.4 oz Honey (Buckwheat)		35	2	0.1%
20.87 lbs / $ 30.65

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
2 oz	Domestic Hallertau2 oz Domestic Hallertau Hops	$ 2.25 / oz $ 4.50	Pellet	4.2	Boil	55 min	15.3	33.3%
2 oz	Tettnanger2 oz Tettnanger Hops	$ 2.00 / oz $ 4.00	Pellet	4.5	Boil	5 min	3.34	33.3%
2 oz	Domestic Hallertau2 oz Domestic Hallertau Hops	$ 2.25 / oz $ 4.50	Leaf/Whole	4.2	Boil	45 min	13.05	33.3%
6 oz / $ 13.00

Show Summary View

Amount	Variety	Cost	IBU	Bill %
2 oz	Domestic Hallertau (Pellet)	$ 2.25 / oz $ 4.50	15.3	33.3%
2 oz	Tettnanger (Pellet)	$ 2.00 / oz $ 4.00	3.34	33.3%
2 oz	Domestic Hallertau (Leaf/Whole)	$ 2.25 / oz $ 4.50	13.05	33.3%
6 oz / $ 13.00

Yeast

Fermentis - Safale - German Ale Yeast K-97

Amount:	2 Each	Cost:	$ 5.00 / each $ 10.00
Attenuation (avg):	81%	Flocculation:	High
Optimum Temp:	54 - 77 °F	Starter:	No
Fermentation Temp:	60 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 192 B cells required

$ 10.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 2.4 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
2 tsp CaCl 2 tsp Gypsum Cool Whip Fermentation Day 1 50 Day 2 50
Mash Chemistry and Brewing Water Calculator

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
7.5 gal	165 @ 40 min	Sparge	--	151 °F	70 min
6.2 gal		Strike	151 °F	152 °F	60 min
Starting Mash Thickness: 1.25 qt/lb Starting Grain Temp: 160 °F

Quick Water Requirements

Water	Gallons	Quarts
WARNING: Boil kettle capacity (12 gal \| 48 qt) exceeded. Volume required: 12.98 gal (51.9 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 0.98 gal (3.9 qt) sparge/top-off.
Strike water volume at mash thickness of 1.25 qt/lb	6.25	25
Mash volume with grains	7.85	31.4
Grain absorption losses	-2.5	-10
Remaining sparge water volume (equipment estimates 9.41 g \| 37.6 qt)	9.44	37.7
Mash Lauter Tun losses	-0.25	-1
Volume increase from sugar/extract (early additions)	0.06	0.3
Pre boil volume (equipment estimates 12.98 g \| 51.9 qt)	13	52
Boil off losses	-2.25	-9
Hops absorption losses (first wort, boil, aroma)	-0.23	-0.9
Post boil Volume (equipment estimates 10.5 g \| 42 qt)	10.8	43.2
WARNING: Exceeded batch size - reduce boil size
Going into fermentor (equipment estimates 10.8 g \| 43.2 qt)	10.5	42
Total:	15.69	62.7
Equipment Profile Used:	System Default

Notes

~14 gallons wort at start of boil

2 tsp rehydrated irish moss

2 cups sucrose ~ 2.36 cups = 1#

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Last Updated: 2020-07-23 18:16 UTC

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Hurricane Kolsch 2