Zep Professional 1041742 40 lb Heavy Duty Powdered Concrete Cleaner is a fast-acting, biodegradable cleaner designed to effectively remove tough stains and grime from concrete surfaces. This powerful cleaner changes color when wet, indicating its active cleaning performance, and leaves behind a mild pine scent, enhancing the work environment. Suitable for use in various commercial and industrial settings, it offers a reliable solution for maintaining clean and safe concrete surfaces.