Tilapia Aquaculture Water Quality Management Experience
1. Observe changes in water and water. In the evening patrol, when the odor of the fish pond smelled or the handle was immersed in the pool water, the hands were stained with a layer of mud. The above two conditions occurred, indicating that the water quality had deteriorated. Lime was used to disinfect and purify the water immediately. . The specific method is: 30 kg of lime per acre is applied to a pond with a depth of 4 meters, and 15 kg of lime is applied to a pond with a depth of about 2 meters. At the time of application, the lime was added to the water and the pond was split into two halves. After half of the splash, the water quality became clear and the other half poured.
2. Pay attention to sudden rainfall weather. During the hot season, there is a sudden rainfall of water. The upper and lower levels of water exchange will inevitably occur on that night, which may lead to dead fish due to lack of oxygen. Therefore, feeding must be stopped in the afternoon and the oxygen must be turned on in the early morning.
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