I think someone needs to come up with a simpler cleaning solution for suppressors. I have a few thousand rounds through mine and without a doubt it could use a good cleaning. Heck, all a guy has to do is look at the carbon build-up on the end of the rifle barrel after as little as 50 rounds, and he can imagine just how much is in the suppressor.
I'd like to weigh mine just to see how much weight it has gained over the 9 years that I've had it. No doubt it has put on at least a few ounces of crud.