Hop Study - Amarillo

Brewed 12/4/13
Bottled 12/28/13

This is part of a Wort Hogs experiment. The idea coming from the May/June 2013 edition of Zymurgy. We use the same grain bill, the same yeast, and only one variety of hops for each batch.

The hops are used for flavor, bittering and aroma to see how they behave in each role. In theory, this will allow us to better understand how each style of hops contributes to any beer.

Example Hop: Amarillo (8.7%)

Target IBU: 30-40
Calculated IBU: 33.53

Gravities:

Target OG: 1.054 Actual OG: 1.056
Target FG: 1.011 Actual FG: 1.009
ABV: 6.17% How is this calculated?

Ingredients:

7.50 lbs 2-row
1.50 lbs Maris Otter
1.00 lbs Caramel 20
0.50 lbs Aciduated Malt
1 vial White Labs WLP001 (California Ale) yeast w/starter

0.50 oz Amarillo Hop pellets (8.7%) @ 90 minutes (18.64 IBU)
0.50 oz Amarillo Hop pellets (8.7%) @ 30 minutes (13.39 IBU)
1.00 oz Amarillo Hop pellets (8.7%) @ 1 minute (1.50 IBU)
1.00 oz Amarillo Hop pellets (8.7%) dryhop 7 days (0.00 IBU)

Directions:

Mash with 3.50 gallons @ 154 (175 strike) for one hour.
Sparge @ 175 to collect 5 gallons.
Boil for 90 minutes, adding hops at their allotted times.
Cool to 75 and pitch yeast.
Ferment for 18 days at 68
Transfer to secondary, and add dryhop addition.
Allow to settle for 1 week, then bottle.

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