SAND MAKERSand maker is a safe but highly effective product that efficiently softens concrete dust and ready mix splash. It is designed to remove heavy built up hardened concrete from ready mix trucks, scaffolding, forms, tools and other areas where concrete tends to accumulate and harden. Will not harm painted surfaces. Sand maker is a strong but safe acidic cleaner designed to remove the hardened, tenacious concrete. It is non corrosive to skin, ferrous and