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How to save the dying goldfish

This is a note for keeping goldfish; The causes of death of goldfish can be divided into the following categories: 1 Death from overeating. This situation is usually due to the "doting" mentality of the owner, who is always afraid that his fish will be hungry. In fact, goldfish are very afraid of keeping. If it is a newborn goldfish, it only needs to be fed once every three days, a handful at a time. If it is a big goldfish, it needs to be fed once a day (such goldfish are generally two to three years old). ) can be debugged according to the specific situation. Improper change of water leads to goldfish's death due to inadaptability to the environment. This situation is mostly caused by carelessness or fear of trouble. In summer, you should change the water once a week or so. If the weather is hot, change it several times, but not too much. Fish is an animal that depends on the environment. Water can be changed once in winter 10 day. Attention should be paid when changing water: if possible, prepare a small fish tank, and put the fish in the small fish tank when changing water (the water in the small fish tank must be filled for several days, and the small fish tank should be placed as close as possible to the big fish tank to keep the water temperature consistent, so that the fish will not feel the sudden change of the environment). The new water in the big fish tank can't be tap water just released, but it should be put in the big fish tank for a few days before use, otherwise the tap water will be too cold. After putting the water in the big fish tank, put the fish and water in the small fish tank together, which can reduce the goldfish from falling off too many scales when struggling. Three people died of lack of equipment. Fish can't live without water, which is understandable, but the problem of oxygen is easily overlooked. I suggest you buy a set of equipment that integrates oxygenation and filtration. Remember to charge oxygen once a day, and the fish will float in the absence of oxygen. If you see it swimming in the upper layer of the fish tank, it proves that it is short of oxygen. Besides, I suggest you buy a bigger fish tank. It is best to put two or four fish in a tank. I also suggest that you keep a small goldfish, preferably for more than a year or two. This kind of fish is easier to raise and less likely to die than small fish. Also, buy seaweed and put it in the fish tank. Fish generally don't eat seaweed. If you are afraid of being hungry and dare not feed more, put some seaweed to ensure that the fish will not overeat.