Ajax ® Expert ™ Neutral Multi-Surface/Floor Cleaner. Easy-to-use concentrated cleaner for hard surfaces. Patented formula with microemulsion technology penetrates deep into surfaces to capture grease and soils—reduces slipperiness of floors. Neutral pH means product is safe for both surfaces and users. Leaves no alkaline residue; contains no harmful acids or caustics. Gallon bottle makes 64 gallons of RTU solution. 4 Bottles per Case. Gallon Bottle.