The effective formula of Calgons 3-in-1 gel will not only soften water to ensure cleaner laundry every time, but help reduce limescale build up to keep your machine working at its best.  This contains Calgon's leading formulation with active ingredients to soften hard water, preventing 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! Calgon Tablets begins acting immediately to neutralise limescale, prevent dirt residue and odours leaving your washing machine healthy and your clothes protected. For a protected, clean and fresh machine, there are three naturalising actions: 1. Powerful limescale protection that helps prevent machine breakdown.2. Anti-dirt actives help protect from the accumulation of dirt and detergent residues.3. Help prevent malodours from forming in the machine. Without using Calgon in your home, lime scale, dirt and residues will