Changing water for goldfish is very critical in the process of maintenance. The first problem is frequency. Generally speaking, it can be adjusted according to the season. Summer has the highest problem, generally three or four days to change the water once. In the spring and fall, it can be once a week or so. If it is winter, it is generally about 10 days. However, the frequency of water change is not certain, it also has a great relationship with other factors. For example, if there is a filter in the fish tank, the water should not be changed too often.
What kind of water is used when changing water is also a very important issue. Generally speaking, river water, lake water and so on are more appropriate, but we need to choose unpolluted river water and lake water. If the water is not easy to use, tap water can be used instead at home. However, tap water can not be used directly, it needs to be aired for a period of time before it can be used.
When changing water, do not change too much water at one time, and control it at 1/4 to 1/3 of the whole. Moreover, when changing water, the flow rate of water can not be too fast, otherwise it is easy to cause rapid changes in water temperature, goldfish may appear inappropriate situation. In addition, when changing water, you can clean up other debris in the fish tank by the way, so as to avoid new water pollution. Specifically, special pipes can be used to suck out impurities. After changing water, goldfish may not adapt to the situation, may be caused by insufficient oxygen in the water, can slightly supplement some oxygen.
