Good-bye Stain, manufactured by Akemi, is a slightly alkaline cleaning agent based on active chlorine compounds. It is designed for rapid and thorough removal of organic discoloring or stains caused by fruit and vegetable juices, coffee, tea, red wine, tobacco, leaves or blossoms, blood hair dye, felt-tip pens, etc. on mineral surfaces such as marble, granite, quartz, ceramics and concrete ashlar.