It is a cleaning product that is used to resolve the melded colors of the carpets. Mix 2 glasses of Wieberr hydro with 10 liters of water and pour on the carpet. Brush the carpet and rinse the way you wash it. In every application the carpet will be decolored. After the melding is resolved wash the carpet with vinegar (acetic acid) and neutralize it. As the last step complete the procedure by washing the carpet with wieberr carpet shampoo.