Limescale is a chalky type of deposit made up of calcium and magnesium. It is formed naturally when water is boiled.
It is more evident in hard water areas and can attach itself to the element inside your kettle, as well as build up in washing machines, dishwashers and boilers. It is not harmful to health.
However, there are a number of products which can slow down the formation of limescale, such as inhibitors, conditioners or water softeners.
If you install a water softener, it's important to still have a supply of un-softened water for drinking which does not contain as much sodium. Other tips include setting your boiler at 55C.
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