Flexlock Shampoo removes ground-in dirt from the surface of concrete pavers and natural stones. It will make concrete pavers, patios, slabs, walls, wet cast, and natural stones look clean and vibrant. Flexlock Shampoo will not negatively affect the joints of polymeric sand or the surrounding vegetation. Flexlock Shampoo removes penetrated dirt and restores the pavers to their natural color. The product has no muriatic acid or hydrochloric acid. Flexlock Shampoo is very easy to use as it washes off with water. The ideal mixture for the Flexlock Shampoo is 4 parts water – 1 part product
5 gallon