How do you dissolve carbon build up?

https://www.youtube.com/watch?v=455g31uFsko What is carbon off made of?*CONTAINS (CAS#): Dichloromethane (75-09-2), Ethanol (67-17-5), Methyl Alcohol (67-56-1), Aromatic Hydrocarbon (108-88-3), 2-Bu- toxyethanol (111-76-2), Ammonia (7664-41-7), Propane/n-Butane (68476-86-8). HMIS RATINGS: Health – 3,…