Quikrete 860114 Concrete and Asphalt Cleaner, Liquid, Detergent, Blue, 1 qt, Bottle

Concentrate is a multi-purpose cleaner that is safe to use on any hard surface where water can be used. Use prior to any repair project to achieve the strongest bond. Non-toxic, non-flammable and contains no acid. Concrete and asphalt cleaner contains no acids and is safe to use on any hard surface where water is safe. It is non-toxic, non-flammable and has no after odors.