Water hardness refers to the presence of dissolved minerals, primarily calcium and magnesium, in water. #waterhardness, #hardwater, #softwater, #waterquality, and #mineralwater
History of Hardwater
Society & Culture
Water hardness refers to the presence of dissolved minerals, primarily calcium and magnesium, in water. #waterhardness, #hardwater, #softwater, #waterquality, and #mineralwater