Instructions: Washing Machine: 250 ml. limescale remover poured directly into the drum. Start a wash cycle of 40 - without clothes and without prewash. Dishwasher: 100 ml. limescale remover poured directly into the empty dishwasher. Start a program without prewash. Coffee maker and kettle: Use the ratio of 1 part limescale remover to 4 parts water. Use measurement indicator on the bottle. Each line corresponds to 20 ml.