The Calgon Power descaler is a powder-based water softener designed to protect automatic washing machines from the damaging effects of hard water. By preventing limescale buildup on heating elements and within the pipes, this 500 g pack helps maintain the overall efficiency of your appliance over time. This 3-in-1 formula works to combat limescale, dirt, and unpleasant odors, which keeps your clothes from turning grey or dull. Each pack provides enough product for 10 washes, and you simply add the powder to the detergent drawer before starting your cycle. Because of its effectiveness, the product is recommended by major manufacturers including Bosch, Siemens, Whirlpool, and Indesit.