Rainbow® Liquid Tire CleanerHere is another super duty liquid tire cleaner with a vivid green color and pine scent that customers and car wash owners really like a lot. It's strong, non caustic, alkaline formula cleans tires and wheels and can also double as an engine cleaner. And, you get a Full Money Back Guarantee. Buy 5 gallons of any of our chemicals, use them, if you don't love them, we'll give you every penny back, no questions asked.