Available in 250ml -ASIN B099Z4M34C, 1L-ASIN B07DLBB4CV and 5L-ASIN B07DLC5DPW LTP Rust Stain remover ideal for all types of polished and unpolished natural and artificial stone including marble, split face stone cladding, granite, travertine, sandstone, concrete, terracotta and porcelain tiles. Removes surface rust stains. Non-acidic formulation, it is particularly suited for delicate applications such as polished marble. Acts directly onto the surface to be treated, removing stains in just 15 minutes. Interior & Exterior use Ideal for removing rust stains from all types of polished and unpolished natural and artificial stone including marble, granite, travertine, split face stone cladding, sandstone, concrete, terracotta and porcelain tiles.