Zep Commercial 1-Gallon Concentrate Neutral Floor Cleaner. Covers up to 2,000 Sq.Ft. For manual use or with an automatic scrubber. Use on natural stone, granite, vinyl and marble floors in commercial and residential spaces. This cleaner uses a neutral pH, low foam, and easy-to-rinse formula that works quickly. It effectively cleans and restores the shine to hard surface floors, making it ideal for both commercial and residential use. Makes up to 128 gallons of cleaner.