ProEconomy's copper and silver water ionisation system continues to be regarded as a highly effective form of water treatment and has successfully controlled Legionella at every one of their 200 sites. ProEconomy maintains this reputation with a comprehensive maintenance and testing program that ensures Legionella never returns. They remain passionate about copper and silver ionisation and have a dedicated research and development department headed up by Dr Birgitta Bedford whose PHD in Legionella control has given them a unique position and authority within the marketplace.