This product is ready to use. Apply undiluted Fallout Remover directly to the surface and allow to remain for approximately 10 minutes. Clean small areas at a time. Gently rub the treated surface with a clean cloth or sponge. If the product appears to be drying out, spray water on area. Once Fallout Remover is dissolved, rinse the surface with water and wash vehicle. The surface to be cleaned should be out of direct sunlight. Also can be used to remove rust from automotive carpets.