Regular use of descaling tablets is important to remove mineral scale in your machine, and it can ensure and maintain the grinder's performance. Better tasting coffee: Descaling tablets provide you with great savings for better tasting espresso and help extend the life of your grinder. Prevents flavor transfer: Perfect for use to prevent flavor transfer when switching between regular, decaffeinated, and flavored coffee beans. Best time to use: Descaling is performed according to each manufacturer's instructions, usually once a month. 2 pcs. for each cleaning. Safety cleaning: Applicable to coffee machine: fully automatic coffee machine / semi-automatic coffee machine. After cleaning the coffee machine with the cleaning tablet, a protective layer is left on the surface of the internal pipeline, which can prevent coffee grease and other impurities from remaining on the internal surface of the machine and extend its service life. color: White Material: solid effervescent tablet Package contents: 50 * Coffee machine effervescent tablets Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.