The effective formula of Calgon’s 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 build up in the drum, filter and pipes which may not only cause your machine to break down but may be the source of malodours which prevent you from getting the best laundry results. Features and Benefits 3 in 1 action - Protecting against limescale, residue and odours to protect all vital parts of your washing machine. Specialised - Cleaner laundry in every wash and safe for use on all types of fabrics. Limescale preventative - Neutralises and prevents limescale from forming in the first place. Specifications Volume: 750ml How To Use 1. Use in every wash 2. Add Calgon on top of your normal detergent in the main wash compartment 3. Dose the quantity of laundry detergent recommended for soft water. For best results use with phosphate free detergents 4. Suitable with all types of fabrics Ingredients Contains: 5% - 15% Polycarboxylates,