‘Soft’ water lathers well with soap, leaving your hair, skin, clothes and dishes softer and cleaner, although you’ll have to rinse more.
- Hard Vs Soft Water Explained @ Free Drinking Water
Excerpt: Hard water is to blame for dingy looking clothes, dishes with spots and residue, and bathtubs with lots of film and soap scum. Even hair washed in hard water may feel sticky and look dull. Hard water can take a toll on household appliances as well and use up more energy. The elements of hard water are to blame for all of these negative factors, as soap is less effective due to its reaction to the magnesium and calcium. The lather is not as rich and bubbly.