Considering only the last two issues, the consumer will surely use the mineral water only for drinking, other important areas of use at home (cooking, tea, coffee, washing of vegetables and fruit, the supplying of domestic animals and plants) and in the medical field (for doctors, naturopaths, etc.), however, continue to be made with tap water. The boiling of tap water (e.g. for pasta water) does not lead to an improvement of the quality of the tap water, because the water impurities are mainly temperature resistant
. (This applies to tap water that complies with the microbiological guidelines of the Drinking Water Regulations.)