Let's share with you the precautions for keeping goldfish:
At present, most fish farming uses tap water, which will contain residues of bactericidal ingredients. So, put the water in a transparent place for a period of time, and remember not to direct it in the sun. After settling, pour the water into the bathtub and let the fish in.
Goldfish live a short life, but they are very greedy, so don't be too full when feeding, so as not to let the fish overeat or die, and keep the fish excited at all times, so that goldfish can be energetic and survive well.
When buying, try to choose something easy to feed, fish scales intact and harmless. Activities are more exciting, generally not fed. It won't do much harm to the fish when they get home.
Generally, the water should be changed at least once or twice a week, so as to ensure the environmental sanitation of fish's life, no skin diseases and infections, and at the same time ensure the oxygen content in the water, so that fish can live happily.
Replace the lower water level as instructed.
Pay attention to the density of fish and increase the oxygen content appropriately.
The density of fish should be strictly controlled. If there are many fish, an oxygen-increasing device should be added to prevent the fish from dying of lack of oxygen. The layout of the fish tank should be reasonable. Don't add too many decorations to affect the normal activities of fish.