For optimal protection of hot water high-pressure cleaners with System Care option. System Care Advance 2 provides the following protection functions for your equipment:– Protection against limescale deposits in the heating coil (up to 150°C) – Pump care additive for continuous lubrication and care of the high-pressure pump – Protection against black water contamination (rust formation in the heating coil in the case of very soft water) – Corrosion protection for all parts in contact with water.