Both prep any surface properly before a coat of color. Learn which sealer or primer works best on your interior or exterior ...
The mixture gets blasted between 60-150 psi. It cuts through paint, primer, and vinyl. The water reduces friction and cools the metal. This protects the car from overheating and warping.
you got your paint, then you got your primer, you got your putty, under coating. Once all that's removed, then it'll move to the acid bath. Our acid bath is for removing rust specifically ...