American Barleywine
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I used 2 packets of US-05 on my 1.101 OG barleywine. The maltbill was only 7% crystal malts and 4.5% sugar. My final gavity was 1.013.
With high gravity beers like this, it is recommended to really aerate well the wort prior to pitching. I use an O2 canister with a diffusion stone for 30-40 seconds.
I also hydrated the dry yeast prior to pitching. While not normally needed, it is difficult for the dry yeast to absorb water and get going metabolically in high gravity enviornments. (at least that is how I understand it, and why I hydrated first.. mabye someone else can clarify that point for me...)
Also, to help with room in my mash tun (and to improve hop utilization in the boil) I added 3# of DME (14% of fermentables) towards the very end of the boil.
After reading up on trouble with big beer fermentations, all the above really did seem to help. I got a very nice fermentation with high apparent attenuation, and the beer came out awesome!
Good luck,
--LexusChris
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