Our coffee machine cleaning tablets contain sodium bicarbonate and citric acid. It can deeply clean the inside of the coffee machine, effectively remove grease and coffee stains. Safe ingredients to reduce environmental impact. Its use is simple: clean the filter basket and filter before use and place the product on it. Add some water, then turn on the coffee machine to clean. And can strong cleaning function, can deeply clean the coffee machine and thoroughly clean coffee grounds, coffee oil and other dirt.