Neutral Floor Cleaner Concentrate Cleans And Restores The Shine To Hard Surface Floors. It Uses A Neutral Ph, Low-Foam And Easy-To-Rinse Formula That Works Quickly. It Works On Natural Stone, Granite, Vinyl And Marble Floors In Commercial And Residential Spaces. This Product Is Step 4 Of The Zep Floor Care 4-Step Program. It Makes Up To 128 Gallons Of Cleaner.