ValetPRO EC4 pH Neutral High Foaming Snow Foamis our high foaming pre wash. It produces a thick foam that clings to the paint surface to enable the cleaner to penetrate grime for a deep clean. This means less work to remove the excess grime and prepares the car for shampooing. This product was designed to work on well waxed surfaces, and the pH neutral formula is an added bonus because it means that this product is safe to use on any surface. - Produces thick and clingy foam - Safe on all surfaces and finishes - Will not strip waxes or protective coatings - ph neutral formula - Good value for money Directions: Dilute. Foam lance: 1:3 / Pump Spray: 1:20. Foam the entire vehicle. Leave to dwell but not dry out. Starting from the bottom, rinse off with a pressure washer.