Zep Mega Wash is a super-concentrated, high-foaming car wash designed for full-service tunnel washes, exterior-only washes, and self-service bays. Its neutral pH formula is safe for all vehicle surfaces while producing abundant foam for effective dirt and grime removal. Engineered for easy mixing, even in cold weather, Zep Mega Wash won’t clog pipes, nozzles, or equipment. Whether applied with air-injected systems, vigorous agitation, or brush systems, this versatile, cost-effective formula delivers professional cleaning results.