Regular egular: use of descaling tablets are important for removing mineral limescale build up in your machine. And it can ensure proper hygiene 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 or decalcification is performed according to each manufacturer's instructions, usually once a month. 2 pieces for each cleaning.Scope of application: coffee machines, electric kettles, water dispensers, humidifiers, disinfection cabinets, tea cups, egg steamers and other places where dirt needs to be removed.colour:whiteMaterial:Solid effervescent tabletssize:15x15x7mmPackage Contents:40 x effervescent tabletsOnly 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.