Production
Hard water is water that contains invisible dissolved rock, principally calcium and magnesium minerals. Most commonly, people notice the effect of hard water because of a build-up of scale in kettles and on shower heads.
The chemical industry is by far the largest consumer of salt.
lt is the raw material for the production of chlorine (Cl) and caustic soda (sodium hydroxide, NaOH).
Salt, i.e. Sodium chloride is the most widely used de-icing agent in Europe and throughout the world due to its huge advantages over the alternatives.
Animals also require salt to keep them healthy. The right salt intake ensures their growth, strong immune and reproductive systems. Often agricultural animals and commercial livestock.