What are the Disadvantages of Hard Water ?
You might have observed that in some places tap water lathers easily with soap, while in other places the same amount of soap gives a scum (a curd-like dirty white substance) and hardly any lather.
You might have observed that in some places tap water lathers easily with soap, while in other places the same amount of soap gives a scum (a curd-like dirty white substance) and hardly any lather.