The final phase of aquaculture makes use of grow-out ponds to “grow” juveniles into adulthood prior to marketing them as food. Many different options are available for aerating grow-out ponds, such as propellers, impellers, revolving rakes, and aeration tubing. As compared to the other methods, aeration tubing requires much lower levels of energy consumption. As an example, Colorite AeroTube™ aeration tubing provides proper aeration with a 4 hp blower, and is more efficient than a 10 hp paddle wheel.
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