Zep High pH Presoak XT is a high-foaming, non-caustic presoak formulated to penetrate and loosen stubborn bug residues and road film prior to washing. Designed for professional car wash operations, this powerful high pH formula quickly breaks down soils to improve overall cleaning performance. It produces copious foam coverage for enhanced dwell time and visual impact. Suitable for use in prep areas, as a presoak shampoo, or in in-bay automatic touch-free wash systems.