Zep Formula 50 RTU has been formulated for use on all surfaces not harmed by water. It is easy to use, and has outstanding cleaning ability on a wide variety of soils such as wax build-up, black marks on floors, fingerprints, and other types of soils encountered in daily cleaning. Ready-to-Use – No dilution required, simply spray and wipe. Powerful Cleaning – Excellent detergent system quickly cuts through grease and heavy soil to allow them to be easily wiped away. Pleasant Fragrance – Cleaned areas are left with a fresh citrus smell. Easy-to-Use – Just spray on and wipe off, no rinsing needed except on food contact surfaces.