With the Siemens cleaning tablets, you can maintain your Siemens coffee machine the right way. Remove limescale with the Siemens descaling tablets for a longer lifespan. These Siemens cleaning tablets remove residual grease and coffee residue. It's best to also place the Brita Intenza water filter in the water reservoir. This filter purifies the water so the coffee tastes better and you can prevent limescale.