Simon's Speedshop snow foam is an alkaline pre wash helping to soften and remove dirt and grime on your vehicle. Helping to clean more effectively and remove more soiling than a pH neutral pre washes.
Use 50-100ml in a foam lance depending on how dirty your vehicle is. Allow to dwell for 5-10 minutes and pressure wash off. Do NOT let the product dry onto the surface. Use gloves and eye protection when in use.