Aerators are ventilation, aeration and oxygenation of water in breeding joints. These devices are also used for movement and purification of breeding water on fish farms, to intensify production. They are also used to aeration of water during the summer, when there is a lack of oxygen in the water and there is a danger of dreaming fish. In winter, they are used to aeration of water in carp fish warehouses. Aerators are also used to liquidate anaerobic zones in deeper water reservoirs.

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