Cooling Towers reduce bacterial counts 99% using Titanium AOP – A recent long term study has been conducted on 3 cooling towers located at a large European hospital. The hospital had struggled to keep Legionella count levels down to satisfactory levels. Despite dosing with various chemical biocides to address the problem – all attempts failed. A Titanium AOP system was then installed and in 2 weeks a reduction in aerobic count of 99% was seen; with chemical biocides no longer then being required!