The good news is that Sonex sucks.  You should notice considerably better sound after you throw it all out.  Yes, I know what you're thinking - "But all the recording studios use it!"  

cheers, Geoff Kait, Machina Dynamica

I hope it's okay because I have some on the way.  I'll be carefully enclosing it in fabric before very judicously applying it in our formal living/listening room.