Just put it in the tank!Clean with citric acid!Thoroughly clean those hard-to-clean places!●Clean and disinfect with citric acid, which is also used in food!●Easily tell when cleaning is complete by changing the color of the ice (from pink to clear).Independent packaging size: 104X188X10mmIndividually packaged weight: approx. 35 gContents: 10g x 3 packsCountry of production: Japan【how to use】★Before use・Remove all water and ice from the automatic ice maker in the refrigerator.・Remove the cleaning filter in the water tank.(1) Add about 300mL tap