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How to spend the winter in the courtyard fish tank in winter, and what should be paid attention to in raising fish in winter?
Because the courtyard fish tank is placed outdoors, it will inevitably cool down in winter, affecting the fish inside, ranging from loss of appetite to freezing to death. In order to avoid this, it is necessary to keep warm. Usually, the fish tank should be buried in the soil, and the part exposed to the water surface can also be wrapped with a quilt, but it should not be completely closed, otherwise it will lead to air tightness, and more water should be added to the tank. First, how to spend the winter in the courtyard fish tank Because the courtyard fish tank is placed outdoors, it will inevitably cool down in winter, which will affect the fish inside, ranging from loss of appetite to freezing to death. In order to avoid this, it is necessary to keep warm. Usually, the fish tank should be buried in the soil, and the part exposed to the water surface can also be wrapped with a quilt, but it should not be completely closed, otherwise it will lead to air tightness, and more water should be added to the tank.

Second, what should I pay attention to when raising fish in winter? 1. Pay attention to the temperature: First of all, pay attention to the temperature when raising fish in winter. For fish with wide temperature, the water temperature should not be too high, just keep it above 5℃, but for tropical fish, the temperature must be controlled at around 20℃. If left in a low temperature environment for a long time, fish are likely to freeze to death.

2, pay attention to feeding: fish are warm animals, so their vitality will be affected by temperature, appetite is no exception. With the arrival of winter, the temperature is gradually decreasing, and the feeding should be reduced a little, so as to avoid the food that it can't eat becoming residual bait and polluting the water quality.

3, pay attention to changing water: fish farming needs to change water, and the cycle of changing water is often related to the season. In summer, the temperature is high, and the water is easy to deteriorate, so it is necessary to change the water frequently. You don't need to change the water too often in winter. It's no problem to change it once a week or two. In addition, it is best to keep the temperature consistent before and after changing water.