---System Neutraliser Is Designed To Neutralise Any Acid In The System After Cleaning With An Acid Cleaner, Such As Fernox Ds40 Descaler & Cleaner, Ensuring Compliance With Environmental Regulations Before Disposing Of Waste Water. ---System Neutraliser Also Conditions The System For The Application Of A Corrosion And Scale Inhibitor. Neutralises System Water After Using Ds40 System Descaler & Cleaner. Conditions System For Application Of Corrosion Inhibitor. ---Ensures Compliance With Environmental Regulations. Convenient To Use 2 Litre Liquid For Easy Dosing With Powerflushing Units, Or Application Via F&e Tank Or Dosing Vessel (for Sealed Systems) ---Non-toxic Formulation. Ensures Safe Disposal Of Acidic Residues. Fernox System Neutraliser Is Supplied In 2 Litre Bottles. Keep Out Of Reach Of Children.