The Hydrozone makes Ozone (O2) which neutralises odours at source. Ozone safely alters the molecular structure of offensive micro-organisms to eliminate smells. It also kills mould and mildew as well as bacteria. The Hydrozone is specially made for the hydroponics market unlike other units available. It is safe and flexible using technology that offers better more controlled results compared with existing ultraviolet technology. The unit will treat the same size area as others on the market such as the Uvonair 5000. The unit can be used either inside or outside a growroom to control odours. Spare parts such as the Hydrozone Replacement Ceramic Plate are affordable and the unit is the easiest on the market to service and maintain.