Milk Stout 1BBL - Beer Recipe - Brewer's Friend

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Milk Stout 1BBL

367 calories 45.3 g 12 oz
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Beer Stats
Method: All Grain
Style: Imperial Stout
Boil Time: 120 min
Batch Size: 32 gallons (ending kettle volume)
Pre Boil Size: 41 gallons
Pre Boil Gravity: 1.085 (recipe based estimate)
Efficiency: 70% (ending kettle)
Calories: 367 calories (Per 12oz)
Carbs: 45.3 g (Per 12oz)
Created: Friday March 29th 2019
1.108
1.038
9.2%
41.5
50.0
5.3
n/a
 
Fermentables
Amount Fermentable Cost PPG °L Bill %
79 lb United Kingdom - Maris Otter Pale79 lb Maris Otter Pale 38 3.75 58.1%
12 lb American - Caramel / Crystal 30L12 lb Caramel / Crystal 30L 34 30 8.8%
6 lb United Kingdom - Crystal 55L6 lb Crystal 55L 34 55 4.4%
3 lb United Kingdom - Crystal 70L3 lb Crystal 70L 34 70 2.2%
9 lb United Kingdom - Pale Chocolate9 lb Pale Chocolate 33 207 6.6%
6 lb American - Midnight Wheat Malt6 lb Midnight Wheat Malt 33 550 4.4%
6 lb German - De-Husked Caraf I6 lb De-Husked Caraf I 32 340 4.4%
6 lb Flaked Oats6 lb Flaked Oats 33 2.2 4.4%
3 lb Rice Hulls3 lb Rice Hulls 0 0 2.2%
6 lb Lactose (Milk Sugar)6 lb Lactose (Milk Sugar) 41 1 4.4%
136 lbs / 0.00
 
Hops
Amount Variety Cost Type AA Use Time IBU Bill %
8 oz Magnum8 oz Magnum Hops Pellet 11.9 Boil 60 min 41.45 100%
8 oz / 0.00
 
Other Ingredients
Amount Name Cost Type Use Time
35 g Calcium Chloride Water Agt Mash 1 hr.
30 g Gypsum Water Agt Mash 1 hr.
7 g Table Salt Water Agt Mash 1 hr.
 
Yeast
Omega Yeast Labs - British Ale I OYL-006
Amount:
1 Each
Cost:
Attenuation (custom):
75%
Flocculation:
Medium High
Optimum Temp:
64 - 72 °F
Starter:
No
Fermentation Temp:
-
Pitch Rate:
0.35 (M cells / ml / ° P) 1081 B cells required
0.00 Yeast Pitch Rate and Starter Calculator
 
Target Water Profile
Balanced Profile
Ca+2 Mg+2 Na+ Cl- SO4-2 HCO3-
80 5 25 75 80 100
Mash Chemistry and Brewing Water Calculator
 
Mash Guidelines
Amount Description Type Start Temp Target Temp Time
Sparge -- 158 °F 60 min
Starting Mash Thickness: 1.15 qt/lb
Quick Water Requirements
Water Gallons  Quarts
WARNING: Boil kettle capacity (12 gal | 48 qt) exceeded. Volume required: 35.3 gal (141.2 qt). Suggest reducing initial water volume to 12 gal (48 qt) and adding 23.3 gal (93.2 qt) sparge/top-off.    
WARNING: Mash tun capacity exceeded. Volume required: 47.78 gal (191.1 qt). Suggest reducing initial water volume to 1.6 gal (6.4 qt) and adding 35.78 gal (143.1 qt) sparge/top-off. 37.38 149.5  
Strike water volume at mash thickness of 1.15 qt/lb 37.38 149.5  
Mash volume with grains 47.78 191.1  
Grain absorption losses -16.25 -65  
Remaining sparge water volume 19.65 78.6  
Mash Lauter Tun losses -0.25 -1  
Volume increase from sugar/extract (early additions) 0.47 1.9  
Pre boil volume (equipment estimates 35.3 g | 141.2 qt) 41 164  
Boil off losses -3 -12  
Hops absorption losses (first wort, boil, aroma) -0.3 -1.2  
Post boil volume (equipment estimates 37.7 g | 150.8 qt) 32 128  
Estimated amount in fermentor 32 128  
Total: 57.03 228.1
Equipment Profile Used: System Default
 
Notes

Brew day April 6.

American Crystal is 33L Mecca Opal 44
Mecca Opal 44-12lbs
Simpson Medium 50-60L-6lbs
Simpson 70-80-3lbs
TF Pale Choc-9lbs
Midnight wheat-6lbs
Patagonia Black Pearl-6lbs
Flaked Oats-6lbs
Lactose-6lbs

Wanted 158 mash. Hit a bit low.

Mash in went well, heated water to 178, trying to hit 158. Hit more like 152, recirculated through herms to bring it up, got to about 155 after 20 minutes.

Mash pH 5.25. Took another mash pH and it was like 5.15. Not sure what's going on, I didn't add any acid knowing there was a lot of dark malt in there, probably should have raised the pH a bit knowing the HCO was low from the 70% RO water.

Boil Gravity high. Real high so we decided to only boil for 60 minutes.
OG: 29 brix, 1.124 This is crazy high. When I do the efficiency adjustment to get it this high it means we have 81% efficiency. How is this possible, our efficiencies have been much lower on this system, and this malt bill is only 58% base malts! Some other notes: there was almost 2.5 gallons extra run-off. I'm wondering about the water calculations, it seems the last couple batches we have had too much. I made sure not to add a gallon of water to any of the starting water volumes this times like I have in the past. One caveat: I forgot to look at the volume of the HLT before I went to put the 14 gallons of sparge in the mash tun. I THINK it was 38, because I think I kept both volumes of water the same (original strike water and the sparge water). Also, I forgot to look at the ending kettle volume just before we transferred to the fermenter, but I do remember yelling to Erik that it was 35 gallons with just a few minutes of boil left, wondering if we should transfer that much or leave a few gallons behind. I know we started with right at 40 gallons before boil, so a 5 gallon / hr. boil is a pretty vigorous one.

Pitched yeast around 5pm. This is the yeast we harvested from the Scottish Ale. The yeast we used in the Scottish Ale was Omega British 1, which is their version of 007. We had about 3 L between a few containers and then when it had all settled, a very thick slurry of about 1.6 L.

So...No action Sunday morning. No action in the afternoon. Erik came over and we stirred it with the long handled mash paddle. Very strange and concerning. Then, we did filled a hydrometer and did a reading. 1.090. WHAT??? Did a refractometer and 23.2 Brix, = 1.097. Both are WAAAYYY low. So weird. Were all of our refractometer readings way off yesterday? So weird....what to believe.

4-16-19. Once it took off, it went great. Once it got rolling I adjusted temp to around 63-64, that's where it was at during vigorous fermentation. Once it slowed down after a few days, I raised it a bit. It's been fermented at 68 last couple days, bubbles now about 15 seconds. Gravity tonight: 1.047. Appearance is real thick, chocolatey. Tastes super chocolatey! There's a lot of yeast in suspension yet, but still tastes like chocolate!

5-9-19. I have been chilling it down, it's been at 35 for the last couple days, gonna keg it this weekend. FG is 1.040 Tasting a lot of dark chocolate. Not the "sweetest" beer.


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  • Last Updated: 2019-06-04 03:00 UTC