Aeration Industries International (AII)

Minnesota, USA: A challenging climate for fish


Courtesy of Courtesy of Aeration Industries International (AII)

Icy winters and hot summers resulted in fish kills at this Minnesota farm raising walleyes, muskellunge, black crappies and northern pike. In winter, ice and snow on the pond’s surface caused dissolved oxygen levels to drop below 5 ppm, stressing the fish. Summer heat decreased the pond’s capacity to hold dissolved oxygen and caused excessive algae growth.

The farm tried fountain aerators to augment natural aeration but they were 'borderline in summer and useless in winter.' The owner said, 'We wanted a quality unit that would aerate the entire pond.' They found it in the AIRE-O2® aeration system which 'runs 24 hours per day, seven days per week, all year round.'

A one hp AIRE-O2® unit aerates the entire 3.2 ha pond continuously 24 hours a day, year-round.

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