Keep your washing machine performing at its best with the power of Calgon! These express tablets contain an express ball with a high concentration of anti-limescale actives which effectively dissolve build-up from the first seconds of the wash. Next, the outer layers dissolve throughout the cycle to provide total protection for your machine, helping to maintain the important heating element, pipes and drum. Calgon's leading formulation with active ingredients helps to prevent limescale from forming in the first place. Calgon is not a descaler, but purely a preventative measure - meaning the sooner you introduce Calgon into your daily wash routine, the better! As soon as you start using these tablets they will neutralise limescale, prevent dirt residue and odours leaving your washing machine healthy and your clothes protected. Features and Benefits Preventative - Neutralises and prevents limescale from forming in the first place. Get rid of bad smells - Helps eliminate residue and prev