Hard water does not harden the arteries. No matter how hard the water from the tap is, it has no negative effects on your health. On the contrary: the body cannot produce calcium and magnesium itself. They must be supplied through food.

• chlorine
• manganese
• ammonium
• Lead
• bacteria
• Pesticides
• Drug residues
• etc.

From a health perspective, the use of filters for tap water is fundamentally necessary. Drinking water from public water supply systems usually contains numerous pollutants and is strictly monitored. Small children and sick people also need filtered water.