It’s true that hard water doesn’t affect the nutritional value of the drinking water, the problems it generally creates is of a different kind. Most soaps and shampoos we use react with water minerals. The hardness diminishes the lathering capability of the cleanser, as a result of which you need to use more detergent or soap and rinse longer to get the desirable result. They also form a sticky scum in the dishwasher, sink, coffee machine and shower. If you notice soap scud on the dishes, around the bathtub even after rinsing, you’re reading the right article.