Cleaning Powder Cleaning Powder Descaling powder has been specially formulated to penetrate and remove/reduce most hard water scales. descaling powder helps in increasing heating efficiency of heaters in the washing machine by removing the scale deposited on the heater. descaling powder increases the service life of washing machines. Washing Machine Cleaner Descaling Powder For Front Load and Top Load Washing Machines Cleaning Powder Washing Machine Drum Cleaning Powder Multi-Use Formula: Also effective at removing mineral deposits from water heaters, irons and other household appliances with built-up limescale. Machine Cleaner Effortless Cleaning: Simply add this descaler to your coffee machine or kettle and let it work overnight to dissolve calcium buildup without scrubbing. Deep Cleaning Restores Performance: Removes limescale that causes slow brewing and weak flavors, restoring appliances to like-new efficiency and taste.