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Obsidian Steam Beer

Method: All Grain
Style: California Common
Boil Time: 60 min
Batch Size: 5 gallons (fermentor volume)
Pre Boil Size: 7.5 gallons
Post Boil Size: 6 gallons
Pre Boil Gravity: 1.037 (recipe based estimate)
Post Boil Gravity: 1.046 (recipe based estimate)
Efficiency: 68% (brew house)
Source: TB
Calories: 151 calories (Per 12oz)
Carbs: 14.6 g (Per 12oz)
URL: https://www.gshomebrewcomp.com/

Created: Monday September 21st 2020

19B1. California Common

by WAWooldridge

OG: 1.052 FG: 1.015 ABV: 4.8% IBU: 39

Shore Leave Lager

by Tim Bulin

OG: 1.052 FG: 1.012 ABV: 5.1% IBU: 36

Original Gravity:

1.046

Final Gravity:

1.010

ABV (standard):

4.7%

IBU (tinseth):

39.7

SRM (morey):

12.5

Mash pH

n/a

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
1 lb	American - Caramel / Crystal 40L1 lb Caramel / Crystal 40L	34	40	9.4%
0.50 lb	Rice Hulls0.5 lb Rice Hulls	0	0	4.7%
3 oz	German - Chocolate Rye3 oz Chocolate Rye	31	240	1.8%
9 lb	Skagit Valley Malting - US - Skagit Valley Malting - Obsidian Barley	33	2.82	84.2%
10.69 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
0.50 oz	Northern Brewer0.5 oz Northern Brewer Hops	Pellet	7.5	Boil	60 min	16.07	12.5%
0.50 oz	Yakima Chief Hops - MT Hood0.5 oz MT Hood Hops	Pellet	5.3	Boil	60 min	11.36	12.5%
0.50 oz	Northern Brewer0.5 oz Northern Brewer Hops	Pellet	7.5	Boil	10 min	5.83	12.5%
0.50 oz	Yakima Chief Hops - MT Hood0.5 oz MT Hood Hops	Pellet	5.3	Boil	10 min	4.12	12.5%
1 oz	Northern Brewer1 oz Northern Brewer Hops	Pellet	7.5	Boil	1 min	1.39	25%
1 oz	Yakima Chief Hops - MT Hood1 oz MT Hood Hops	Pellet	5.3	Boil	1 min	0.98	25%
4 oz / $ 0.00

Show Summary View

Amount	Variety	IBU	Bill %
2 oz	Northern Brewer (Pellet)	23.29	50%
2 oz	Yakima Chief Hops - MT Hood (Pellet)	16.46	50%
4 oz / $ 0.00

Yeast

White Labs - San Francisco Lager Yeast WLP810

Amount:	1 Each	Cost:
Attenuation (custom):	78%	Flocculation:	High
Optimum Temp:	58 - 65 °F	Starter:	Yes
Fermentation Temp:	-	Pitch Rate:	0.35 (M cells / ml / ° P) 76 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 CO₂ Level: 2.65 Volumes

Target Water Profile

Balanced Profile

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
45	7	14	63	77	0
Distilled with added salts
Mash Chemistry and Brewing Water Calculator

Notes

First Place - Amber/Brown Ales

No sparge method may have resulted in a lower efficiency

pH 5.5 (a tad high)

2L starter, decanted (a hint of diaceytal is present due to the extremely quick fermentation. Consider reducing the starter size to 1-1.5L and pitching at 54F)

Fermentation Schedule
Day 1-3: 58F (fermentation started to slow after 72 hours)
Day 4: 60F
Day 5: 62F
Day 6: 64F
Day 7: 66F
Day 8-14: 68F

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