Ok I also have the same exact thing going on in secondary on an imperial brown ale! It appeared after about a week and I just tasted it and it seems fine to me. The gravity actually dropped from 1029 to 1025 since racking (was hoping for that) so is now at an ABV of 7.33. I was thinking maybe...
If you check the contact temperature range (which I didn't do the last time) it lists a max contact temp of 180 degrees. The tape will protect the bottom from the direct flame, but the 212 degree pot of boiling wort is what melted my last blanket. The walls of my SS pot are pretty thin, so...
So I was searching around online and found the stuff that I should have used on my pot for the stovetop. If anyone's interested, here's a link to a site to buy online:
http://www.jcwhitney.com/HEAT-SOUND-INSULATION/GP_2010475_N_111+10201+600014099_10101.jcw
They say its the stuff that...
So I'm trying this out with my new 36 qt SS pot on my gas range. I brought a full 5.5 gal to a boil in about 15-20 mins, which rocks, but i hit a bit of a snag. The inner plastic bubbles of the foil blanket melted in the lower half of the pot. I need to look for something that is flame...