News features and technical articles about the evolution of aquaculture, one of the world’s fastest growing industries.

Philip Nickerson

Responsibility

Avoid water chiller errors

Common factors that affect water chiller performance are inadequate water flow, inadequate heat recovery, inappropriate compressors and imbalances among compressor, condenser, evaporator and thermal expansion valves. 

Health & Welfare

Cool it: Refrigeration basics for aquaculture operations managers

The basic premise of refrigeration is to move heat from a colder heat source to a warmer heat sink. Common pitfalls for refrigeration in aquaculture are a lack of water flow, inadequate evaporator capacity and evaporator freezing. 

Responsibility

Oxygen sources for aquaculture farms

As stocking density increases in aquaculture systems, supplemental oxygen becomes necessary. Oxygen generation is becoming a popular option. 

Innovation & Investment

Cavitation, the ‘pump disease’

Cavitation occurs in a centrifugal pump when the effects of low internal water pressure lead to impeller damage. Proper design and installation of pumping systems can help.