Brits may be known for their love of a soothing cup of tea or coffee, but using the kettle frequently leads to rapid limescale build-up. While the residue is not harmful to health, the sight of white grime and the taste of calcium in your morning hot drink can put you off your daily tea ritual. And limescale isn't just unsightly, it also reduces the lifespan of your appliance. But before you splash out on a new kettle, try an easy way to banish even stubborn limescale using a natural remedy.