Pirate Laboratories Concrete Cleaner is a fast-acting granular detergent formulated for cleaning concrete and unfinished wooden floors. Its advanced wetting agents drive deep into the surface, breaking down and emulsifying oil and greasy soils with unmatched power. When mixed with water, a built-in indicator reveals solution strength for precise control and consistent results. It can also be used as a spot cleaner for oil stains in parking spaces, delivering professional-grade cleaning wherever it’s needed.