Zep's Neutral Floor Cleaner Concentrate creates up to 128 gallons of our pH-balanced, low-sudsing, easy-rinse formula. It's the perfect way to keep your floors looking great without any nasty residue. Say goodbye to scrubbing and messy residues. Zep's Neutral Floor Cleaner Concentrate is designed with your floors in mind, leaving them sparkling clean and residue-free.