Pre-wash is both an umbrella term for a whole host of products you apply to your car before the shampooing process and a stand-alone product. Pre-wash includes snow foam, all-purpose cleaner (APC), insect and grime remover, traffic film remover and citrus pre-wash. For this article, we’re focusing on SRB Touchless Snow Foam Wash S2 that are designed to be sprayed onto the car from a bottle and simply rinsed off with some water.SRB Touchless Snow Foam Wash S2 is a powerful alkaline cleaner that shift muck and grime without stripping any applied paint protection. Designed primarily for dealing with insects and road grime, this pre-wash should be applied to bodywork and wheels and left to dwell before being washed off.
How to use it.
For Hand Pump Sprayer, the ratio is 5-10 grams of concentrate per liter of water (1:700-1:900).
For Foam Cannons, the ratio is 100-150 grams of concentrate per liter of water.
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