Bona SuperCourt Cleaner Concentrate is a professional strength, non-toxic floor cleaner concentrate formulated for all urethane-finished hardwood floors coated with an unwaxed finish. Effective, residue-free solution for thoroughly cleaning and maintaining athletic floors. Key Benefits: Leaves no residue. Safe for wood floors. Specially designed for gym floor cleaning/Auto Scrubber. Concentrated 128:1. Tilt & Measure Bottle for easy use.