Pro-Kleen Descaler Liquid Multi-Purpose Descaler, Fast-Acting Concentrate & Dissolves Limescale, Optimises Performance & Prolongs Life of Coffee Machine, Kettle, Iron, Shower heads, Taps and More 5L Pro-Kleen Descaler Liquid Multi-Purpose Descaler, Fast-Acting Concentrate & Dissolves Limescale, Optimises Performance & Prolongs Life of Coffee Machine, Kettle, Iron, Shower heads, Taps and More 5L