Just a quick post here since I have about 5 minutes left on the boil. I collected just under 14 gallons of wort, we'll call it 13.75 for calculation purposes, with a pre-boil gravity of 1.045. This gives me an efficiency of about 77%. Not bad for batch sparging. The boil started at 11am, but I didn't make the first hop addition until 11:10, because I had to figure out how much I was going to use, and weigh it out. I ended up using 1.3 ounces of 13.1% alpha acid Galena hops, which a brewing calculator gives me about 28 IBUs, a little high for a Dunkel. However, these hops are a year old, and while they have been stored semi-sealed in the freezer, they may haver lost some of their oomph.
I threw in some Irish moss for clarity about 10 minutes ago, along with my immersion chiller to heat it up and sterilize it. I threw in .75 ounces of Hallertau finishing hops just before I started this post. And it's now 12:10, so I have to go shut off the burner and start up the chiller.
Sunday, November 8, 2009
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