The more dissolved minerals, the "harder" your water. But is hard water actually good or bad for you? As engineering ...

When you purchase through links on our site, we may earn an affiliate commission. London is famously a hard water area. It’s a badge of dishonour and leaves our kettles, sink sides and showers ...

Distillation can also be used to soften water as the water evaporates as it is heated and the ions are left behind. Hard water can be softened by adding sodium carbonate (washing soda) or by ...