Abstract
Abstract Ozone has been used in a range of aquaculture applications related to disinfection and improving water quality. Ozone has seen wide use because it is a powerful oxidizing agent that has a rapid reaction rate and few harmful reaction products. This paper reviews the application of ozone within aquaria and in aquaculture systems that use single-pass or recirculated water. The issues and mechanisms required to use ozone are reviewed, with particular emphasis on the processes of ozone gas generation and gas-to-liquid absorption, the contact time for reaction, and the removal of residual ozone. In addition, the toxicity of ozone to humans and to aquatic organisms is discussed, as well as techniques to monitor or control ozone in both the gaseous and aqueous phases.
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