The second-year students of the Food Technology study program at the Faculty of Technological Sciences at Mother Teresa University in Skopje, during the Analytical Chemistry seminars, analyzed the hardness of the Skopje and Kumanovo water with the assistance of the ass. Arjan Ganiji, M.Sc.

The water analysis was performed in the laboratory of the Faculty of Technological Sciences, using the volumetric, titrimetric, and complexometric methods, which are important features in determining water quality.