The HG Limescale Remover Concentrate is a heavy-duty limescale remover that also removes rust and urine stains as well as verdigris. It is powerful yet safe for all the materials used in a bathroom or toilet, including chrome, stainless steel, ceramic, glaze, glass, and plastic. This super-concentrated formula is extremely effective, and its safe use makes it suitable for a variety of bathroom applications. The product comes in a 500ml size.