Yes. While calcium is the enemy of fluid systems, other elements in water such as lead, copper and aluminium may also be harmful to health. Chlorine also has a negative impact on the taste and smell of the coffee. But some minerals help the flavours to really develop. It goes without saying that these are retained. The composition of the granule inside the CLARIS filter makes this possible. CLARIS reduces harmful substances while also optimizing the composition of the water for the perfect coffee taste.