Regular egular: use of descaling tablets are important for removing mineral limescale build up in your machine.and it can proper and to maintain consistent grinder performance. Better Tasting Coffee: Descaling tablets gives you huge savings for better tasting espresso and help extend life of your grinder. Prevent Flavor Transfer: Perfect for use to prevent flavor transfer when switching between regular, decaffeinated and flavored coffee beans. Best use time: Descaling/decalcification is performed according to each manufacturer's instructions, usually once a month. 2 pieces for each cleaning. Safety Cleansing: Applicable to coffee machine: full automatic coffee machine / semi-automatic coffee machine. After cleaning the coffee machine with the cleaning tablet, a protective layer is left on the of the internal pipeline, which can prevent coffee grease and other impurities from remaining on the inner of the machine and extend the 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.