Ready-to-use polishing fluid for machine application used to increase the lustre of polished hard stone. The lustre of edges, draining boards and small surfaces can easily be finished. Reliefs, tombstones, balustrades can be polished. The product is used in the industrial production and suitable for brightening up already laid flooring. Application also on surfaces with residual moisture. Light: for light hard stone, s.a. Kashmir White, Bethel White etc. Dark: for coloured hard stone, s.a. Juparana, Labrador etc. Black: for black hard stone, s.a. Nero Impala, Negro Orientale etc