1. Cause: Lack of oxygen can cause goldfish to float their heads or spit bubbles in the water, and also put their mouths out of the water, just like breathing oxygen in the air.
2, remedial method: Can change water first, the oxygen content of new water is high, change water a few times to be able to raise the oxygen content in water. But the amount of water each time should not be too much, just one third. You can also install an oxygen pump to increase the amount of oxygen.
1, reason: goldfish indigestion will also spit bubbles, just like people burp, usually because of feeding too much or eating indigestible food.
2. Treatment: Stop feeding for 3 days to see if the goldfish can digest itself. If you can digest it by yourself, you don't need medicine. Wait for 3 days and then feed some digestible food, such as cooked millet, aquatic plants and so on. If you can't digest it, you need to feed some digestive medicine to the goldfish.
. 1. Reason: Although goldfish do not have high requirements for water temperature and water quality, too low water temperature or poor water quality can also cause goldfish to float on the surface of the water and spit bubbles.
2. Treatment: If it is found that the goldfish spits bubbles due to low water temperature or poor water quality, it is necessary to raise the water temperature to about 25 degrees as soon as possible, and change the water in time to maintain the water quality in the fish tank. If conditions permit, oxygen pumps can be installed to help them recover.
