Stoner Wheel and Tire Cleaner is a heavy-duty, fast acting cleaner that quickly cuts through tough road grime to make wheels, rims, whitewalls, and tires look new. Concentrated for maximum economy and cleaning power. Suitable for use on aluminum, alloy, and chrome wheels when used as directed. Our strongest wheel and rim cleaner! Concentrated, time saving, non-acid formula is ideal for car wash prep areas, hand use, and automatic or self-service spray applicators at low pressure. Economical concentrate can be diluted up to 20:1 . To achieve optimum dilution, start by diluting 1 part concentrate with 20 parts water. Stoner Wheel and Tire Cleaner is formulated to produce a pH of 10.5 at a 20:1 dilution ratio. Test for desired pH, cleaning strength, and application conditions, then adjust with caution.