Obsidian Oasis - Beer Recipe - Brewer's Friend

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Obsidian Oasis

290 calories 29.9 g 12 oz
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Beer Stats
Method: All Grain
Style: Specialty IPA: Black IPA
Boil Time: 30 min
Batch Size: 17 gallons (fermentor volume)
Pre Boil Size: 20.58 gallons
Post Boil Size: 19.83 gallons
Pre Boil Gravity: 1.084 (recipe based estimate)
Post Boil Gravity: 1.087 (recipe based estimate)
Efficiency: 70% (brew house)
Calories: 290 calories (Per 12oz)
Carbs: 29.9 g (Per 12oz)
Created: Monday June 14th 2021
1.087
1.022
8.5%
0.0
39.4
5.5
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
42 lb Proximity - Base Malt42 lb Base Malt 37.5 2 69.3%
15 lb Proximity - Malted Oats15 lb Malted Oats 29.9 2.5 24.8%
1.80 lb Briess - Blackprinz Malt1.8 lb Blackprinz Malt 25 500 3%
1.80 lb Briess - Midnight Wheat Malt1.8 lb Midnight Wheat Malt 25 550 3%
60.60 lbs / $ 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
12 oz Yakima Valley Hops - Mosaic12 oz Mosaic Hops Pellet 11.5 Hop Stand at 165 °F 0 min 28.6%
10 oz Yakima Valley Hops - BRU-110 oz BRU-1 Hops Pellet 14.4 Dry Hop 0 days 23.8%
10 oz Yakima Valley Hops - AU Galaxy10 oz AU Galaxy Hops Pellet 14 Dry Hop 0 days 23.8%
10 oz Yakima Valley Hops - NZ Kohatu10 oz NZ Kohatu Hops Pellet 4.8 Dry Hop 0 days 23.8%
42 oz / $ 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
15 g Calcium Chloride (anhydrous) Water Agt Mash 0 min.
10 ml Lactic acid Water Agt Mash 0 min.
1 tsp Diammonium Phosphate (DAP) Other Mash 0 min.
1 each Whirlfloc Water Agt Mash 0 min.
 
Yeast
Omega Yeast Labs - Cosmic Punch
Amount:
1 Each
Cost:
Attenuation (avg):
75%
Flocculation:
High
Optimum Temp:
64 - 75 °F
Starter:
No
Fermentation Temp:
68 °F
Pitch Rate:
0.35 (M cells / ml / ° P) 471 B cells required
$ 0.00 Yeast Pitch Rate and Starter Calculator
Priming
CO2 Level: 0 Volumes
 
Target Water Profile
Albuquerque CABQ Zone 12 - 2019
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
0 0 0 0 0 0
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
25 gal Decoction 161 °F 154 °F 60 min
Starting Mash Thickness: 2 qt/lb
Starting Grain Temp: 65 °F
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 18.2 gal (72.8 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 6.2 gal (24.8 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 35.15 gal (140.59 qt). Suggest reducing strike water volume to 7.15 gal (28.61 qt) and adding 23.15 gal (92.59 qt) sparge/top-off. 30.3 121.2  
WARNING: Based on your provided mash thickness (2 qt/lb), your strike volume will exceeds the total water needed for the recipe (28.41 g). Reduce mash thickness to 1.86 qt/lb or increase pre-boil volume to 22.48 g.    
Strike water volume at mash thickness of 2 qt/lb 30.3 121.2  
Mash volume with grains 35.15 140.6  
Grain absorption losses -7.58 -30.3  
Mash Lauter Tun losses -0.25 -1  
Pre boil volume (equipment estimates 18.2 g | 72.8 qt) 20.58 82.3  
Boil off losses -0.75 -3  
Post boil Volume (equipment estimates 17.45 g | 69.8 qt) 19.83 79.3  
Hops absorption losses (whirlpool, hop stand) -0.45 -1.8  
WARNING: Exceeded batch size - reduce boil size    
Going into fermentor (equipment estimates 19.38 g | 77.5 qt) 17 68  
Total: 28.41 113.6
Equipment Profile Used: System Default
 
Notes

Add 10ml Lactic acid and 15mg of Calcium Chloride to mash water.

Mash in base malt and oats at 150F.

Steep Midnight wheat and blackprinz malt in cold water for duration of mash.

At 60 minutes of mash time, add steeped midnight wheat and blackprinz malts.

Hop stand Mosaic at 165 for 20 minutes.

Pull sample for fast ferment test.

Day 3: Add Kohatu

Day 6: Drop temp to 50F

Day 7: Dry hop Galaxy and Bru-1.

Day 8: Pull hops off beer.

Day 10: Take gravity reading. If at FG, Cold Crash.

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  • Last Updated: 2022-01-05 15:35 UTC