Calcium carbonate scale can sometimes build up in cooling towers. This is caused by softener failure, unexpected changes in water quality due to a change in water source from the utility company, or from poor water treatment from a previous supplier.

Silica scales can form in cooling systems through reaction with hardness salts (Ca/Mg) or deposition by itself.  They both need to be considered in any cooling tower management scheme. 

A biocide is a chemical treatment that is formulated to effectively control microbial growth. They can be oxidising or non-oxidising. In this blog post, we share our best practice tips for using non-oxidising biocides in cooling tower water treatment.