« on: June 25, 2011, 10:06:56 AM »
Say, could a lot of unconverted starches in the boil possibly cause this flavor? On my last batch, my efficiency was pretty poor...around 65%. I wonder if this could be contributing to it? I haven't done an iodine conversion test in a while, so I think I'll go ahead and do one on the next batch. I also normally do a 60 minute mash....maybe going to 75 min or even 90 could help?
Personally, I feel like it's so easy to get false readings from the iodine test that it's useless. If your temp was correct and you held it for 60 min., there's almost no chance you didn't get conversion. It's more likely you have poor extraction efficiency rather than poor conversion efficiency.