Quote Originally Posted by JiminAZ View Post
M-Pro-7, the water based cleaner, is amazingly good at cutting carbon deposits that solvents won't move (or that move marginally with solvent). Stuff amazes me. Way less scrubbing required. Squirt a little on there and let it sit a bit and it will loosen the carbon right up for easy removal.
It looks like that is less expensive than Mil-Comm MC25 though still not cheap. Have you compared them?