A safe, effective and easily applied product, especially intended for disinfecting drinking water in tanks and pipelines. Also keeps the drinking water in good condition. A liquid product which mixes quickly and easily with water for immediate use. Hadex starts disinfecting immediately, and the water is ready for consumption after a short period of only 30 minutes. Hadex treatment is based on the tried and tested use of chlorine in the preparation and final treatment of drinking water with long shelf life at least one year under normal conditions (Temperature = 25 deg. C). Hadex has been tested and approved by a number of maritime authorities, such as ; the Dutch Ministry of Health (CTB registration No.9574 N), the Dutch Directorate General for Shipping and Maritime Affairs – Shipping Inspection Division NSI (NL), DOT (UK), NMD (Norway), GL (Germany) and NATO. There are three standard dosages for drinking water treatment in most situations. Suitable for standard Hadex proportional dosing installations for single flow through drinking water systems, Automatic dosing installations for drinking circulation water systems, 30ml, dropper bottles for the individual users such as travelers. Available in 1, 2.5, 10 and 25 litre polythene containers. Non inflammable or explosive.