Chardon Laboratories, of Columbus, Ohio, a leader in the commercial and industrial water treatment field since 1965, announces the PowerPure System, a chemical-free water treatment solution for cooling towers. The system controls scale, microbiological growth and corrosion while eliminating the need for expensive and hazardous scale and corrosion inhibitors, acid and biocides. Cooling towers managed by the system operate at up to 20 cycles of concentration.