I have read many methods of removing old wax from cars including isopropyl alcohol/water, paint cleaner polish, etc. I already have used VMG and a carnuba on my car, but I want to switch to a sealant (ExP) under a carnuba (PB Natty's Blue) instead of a glaze. If I use something like Klasse, is it necessary to use a paint cleaner or such before I start sealing/waxing?
-Thanks
-Thanks