Regular use of descaling tablets is important for removing mineral limescale buildup in your machine and helps maintain proper grinder performance. Better tasting coffee: Descaling tablets provide better tasting espresso and help extend the life of your grinder. Prevent flavor transfer: Ideal for preventing flavor transfer when switching between regular, decaffeinated, and flavored coffee beans. Best use time: Descaling or decalcification should be performed according to each manufacturer's instructions, typically once a month. Use 2 tablets per cleaning. Safe cleansing: Suitable for coffee machines including fully automatic and semi-automatic models. After cleaning with the descaling tablet, a protective layer is formed on the internal pipelines, helping prevent coffee oil and impurities from accumulating and extending the machine's service life. Color: White. Material: Solid effervescent tablet. Package contents: 50 coffee machine effervescent tablets. Only the listed package content is included; other items are not. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.