By: Steve Chewning – Vice President of Field Operations – Southeastern Laboratories, Inc.
A major medical facility in the Southeast US recently implemented a ProMossTM trial on their 1,300-ton HVAC cooling tower system. The system had been operating under a conventional chemical treatment program utilizing an inhibitor product and two micro biocides. Conditions at the start of the trial are summarized below.
The system had higher than expected bacteria levels with correspondingly high ATP values. Water clarity was poor and there were significant iron and copper levels present indicative of active corrosion occurring in the system.