The terms "limestone" and "tartar" do not designate the same reality. Limescale is a component of water, while tartar is the solid deposit that results from the presence of limescale in water.
Whitish marks, greening joints and a drop in water pressure are telltale signs of tartar. Hard water, rich in mineral salts such as calcium and magnesium, can: Dry the skin and cause irritation Make hair dry and brittle. Gradually accumulate in pipes and household appliances, leading to a reduction in their efficiency.