HG Limescale Remover Concentrate is a highly concentrated cleaner for the removal of limescale and calcium deposits from taps, bathtubs, toilets and shower walls and for the descaling of blocked showerheads. It also removes rust, dirt, ‘yellow’ stains and verdigris, and is, of course, safe for use on virtually all surfaces in the bathroom and toilet, such as: chrome, stainless steel, ceramic, glazed and unglazed ceramic tiles, glass and plastic. Depending on the degree of staining, the product can be used neat or diluted in water.