There is no need for salt water to raise mandarin fish and sea bass. To reduce the mortality rate, you can start from the following points: 1. Change the water once a day, and change 1/2 each time; 2. Make a simple filtration system, which can greatly improve the water quality; 3. The stocking density should be reasonable, not too much; 4. Buy a small air pump for oxygenation; 5. Before releasing the fish, select fish with good physique and no obvious external injuries for breeding. If you follow these points, basically not many of the fish you raise will die. |
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