Superchlorination is not recommended as a routine or even occasional method of shock dosing to compensate for inadequacies in pool treatment. It is generally bad practice, and can generate unwelcome byproducts. But if something has gone wrong – poor results from microbiological testing perhaps, or a catastrophic breakdown in treatment – it may be necessary to

    This is a hazardous activity and should not be performed by people who have not received the appropriate training.       ALWAYS wear the appropriate PPE. ALWAYS add the chemical to the water, NEVER add water to the chemical. NEVER mix a chemical with another chemical. Only ever mix with water. NEVER

Commercial swimming pools should have a system installed to automatically dose the disinfection, pH control and coagulation chemicals into the pool water circulation system. Manually dosing chemicals (sometimes referred to as ‘hand-dosing’) is a hazardous activity that can be easily avoided by the installation, use and maintenance of such systems. Hand-dosing chemicals should only be