Measuring Chlorine & Turbidity in Reticultation Systems or for Mains Breaks

  Twenty years ago in July-September 1998, Sydney experienced a Water Quality Crisis involving the suspected contamination by the pathogens, cryptosporidium and giardia in the water supply system. Following the crisis, many stakeholders came together to develop a comprehensive response to minimise the chance of such an event happening again.  Some of the recommendations were…

Phosphorus in Saltwater Reef Aquariums

Phosphorus is an essential element for all life forms. While phosphorus is vital for growth in plants and animals, it can be problematic for aquaria inhabitants, particularly coral. In water, phosphorus exists almost solely in the form of phosphate, or PO43-. There are several forms of phosphate, but the two forms most important for aquaria…

The Significance of Pool and Spa Water Testing

In swimming pool treatment, disinfection or sanitising is essential to rid the pool of bacteria and control nuisance organisms like algae which may occur in the pool, filtration equipment, and piping. There are a number of available disinfectant compounds, including chlorine, bromine and ozone dosing systems, of which chlorine is the most common. Chlorine Chlorine…