Solution Hybrids Our most potent solution, All Wheel Cleaner + Iron Remover, is safe for all wheels and painted surfaces. It dissolves subsurface pollutants like iron oxides and rail dust and rapidly eliminates iron-based pollutants and industrial debris. As it gently removes tough impurities and road grime, this deep cleaning solution turns purple. Scent-lock neutralization and Rapid-Decon Technology provide both vehicle enthusiasts and experts with an incredible experience and quicker results! Every detailer who wants the best must have All Wheel Cleaner + Iron Remover in their toolbox. Nothing compares for unparalleled value and protection at the pro level.