BrewBlog: Seven Seas
Specifics
Reference
Style:
Brewer: Geoff Humphrey
Brew Date: December 26, 2011
Yield: 10 gallons
Reference
Color (SRM/EBC):
6.1/12
Bitterness (Calc): 104.8 IBU (Rager)
BU/GU: 1.28
Calories: 268 (12 ounces)
Conditioning: Keg
ABV: 9.1%
ABW: 7.1%
Batch No: 24-2011
OG: 1.082
OG (Plato): 19.78° P
Target OG: 1.082
Reading 1: 1.024  (8 days)
FG: 1.014
FG (Plato): 3.57° P
Target FG: 1.016
Real Extract: 6.5° P
App. Atten.: 81.9%
Real Atten.: 67.1%
Status: On Tap
General Information
Method: All Grain
Comments

Substituted Calypso hops for Crystal.

Compared the last batch with the inspirational brew at five weeks of age. The original was "smoother" - mine had a stronger bitterness bite to it; possibly a combination of fusel alcohols and minerals in the water. Original had more hop aroma and a lighter color. Aside from these three differences, all who sampled (five people), said this was "very close" to the inspirational beer.

This time, I'm reducing the mineral additions and increasing the late hop additions.

As expected the 1272 petered out at 1.024. Added a starter's worth of WLP060 - San Diego Super Yeast to bring things down to where they're supposed to be. 

Not much luck with Wyeast 1272 finishing out - notwithstanding the generous pull I received fresh from the Dry Dock tanks. Perhaps it needs more time than I'm willing to give it, but I can't see any reason not to use WLP001 or the new WLP060. Not much difference in the flavor profile in my opinion.

Scale Recipe
Enter desired final yield (volume):
 gallons  
Reference
Malts and Grains
Non-Fermentables
3 grams Gypsum (Calcium Sulfate) @ 90 minutes  
Reference
Hops
1.20 ounces 13.1% Leaf @ 90 minutes
Type: Bittering
Use: Boil
15.7 AAUs
0.60 ounces 14.1% Leaf @ 70 minutes
Type: Bittering
Use: Boil
8.5 AAUs
0.50 ounces 16.1% Leaf @ 50 minutes
Type: Bittering
Use: Boil
8.1 AAUs
0.65 ounces
Calypso
14.4% Pellets @ 50 minutes
Type: Bittering
Use: Boil
9.4 AAUs
1.00 ounces 5.7% Leaf @ 45 minutes
Type: Bittering
Use: Boil
5.7 AAUs
1.00 ounces 16.1% Leaf @ 30 minutes
Type: Flavor
Use: Boil
5.7 AAUs
1.00 ounces 7.2% Leaf @ 20 minutes
Type: Flavor
Use: Boil
7.2 AAUs
1.00 ounces 13.1% Leaf @ 10 minutes
Type: Aroma
Use: Aroma
13.1 AAUs
1.50 ounces 5.7% Leaf @ 5 minutes
Type: Aroma
Use: Aroma
8.6 AAUs
2.50 ounces 7.2% Leaf @ 2 minutes
Type: Aroma
Use: Aroma
18 AAUs
2.00 ounces 16.1% Leaf @ 0 minutes
Type: Aroma
Use: Dry Hop
32.2 AAUs
0.80 ounces 13.1% Leaf @ 0 minutes
Type: Aroma
Use: Dry Hop
10.5 AAUs
0.90 ounces 14.1% Leaf @ 0 minutes
Type: Aroma
Use: Dry Hop
12.7 AAUs
0.50 ounces 5.7% Leaf @ 0 minutes
Type: Aroma
Use: Dry Hop
2.9 AAUs
0.50 ounces 7.2% Leaf @ 0 minutes
Type: Aroma
Use: Dry Hop
3.6 AAUs
15.65 ounces Total Hop Weight 172.1 AAUs
Boil
Total Boil Time: 90 minutes
Reference
Yeast
Name: American Ale II
Manufacturer: Wyeast
Product ID: 1272
Type: Ale
Flocculation: High
Attenuation: 74%
Temperature Range: 60–72°F
Amount: 2000 ml
Equipment Profile

15 Gallon/57 Liter Brew Pot (15) and 10 Gallon/38 Liter Cooler Mash Tun

Batch Size: 10.00 gallons Boil Volume: 12.55 gallons
Evaporation Rate: 9.00% per hour Mash Tun Dead Space: 0.80 gallons
Efficiency: 72% Mash Tun Weight: 9.00 pounds
Hop Utilization: 100% Mash Tun Volume: 10.00 gallons
Loss: 1.00 gallons Mash Tun Specific Heat: 0.30 Cal/gram per °C
Mash Profile

Single Infusion Mash, Light Bodied Beer, No Mash Out

Grain Temperature: 72°F Tun Temperature: 72°F
Sparge Temperature: 168°F PH: 5.4
PPG: 23.8 Efficiency: 75.3%
Notes:

Mash profile for most well-modified malts.

Steps

# Name Type Time Temp. Description
1 Mash In Infusion 75 min. 150°F

Add 100% of mash water at 162° F / 72° C

Water Profile

Distilled Water

Calicum: 0.0 ppm
Bicarbonate: 0.0 ppm
Sulfate: 0.0 ppm
Chloride: 0.0 ppm
Sodium: 0.0 ppm
Magnesium: 0.0 ppm
PH: 7.0%
Notes:

Add minerals to create a distinct, custom water profile.

Special Procedures

Dry hop with the remnants of each fractional ounce of hops plus the designated dry hop addition.

Fermentation
Primary: 14 days @ 66° F
Secondary: 14 days @ 70° F
Age: 21 days @ 50° F
Tasting Reviews
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