For example, some fish like to have their water changed every other day, while others prefer to change it once a week or once every two weeks. Some species are more sensitive to water changes than others, so it is best to check with your aquarist to find out how often you should change your tank water. The answer to this question depends on the species of fish you are keeping. A good rule of thumb for most bettas is to change the aquarium water by 15% per week. Your betta fish can probably go for a few months without a water change, but it’s not a good idea, especially if you have an awesome filtration unit. How long can a betta fish go without water change? It is also important to note that if you have a healthy fish that is not showing any signs of illness, it may not need to be cleaned as often as a sick fish. The gill color is a good indicator of the health of a fish, as it indicates the amount of oxygen it has in its system. If your fish is in your bowl, you should be able to tell if it is healthy or not by the color of its gills. The water should be cleaned every few weeks to keep it clean and the fish healthy.

The Betta fish could probably survive without a filter being in the bowl if you cleaned it regularly. Is it cruel to keep betta fish in small tanks?Ĭan betta fish live in a bowl without a filter?Ĭan Betta Fish Live in a Bowl Without a Filter? In theory, yes.How long will a betta live without a filter?.How do you change the water in a betta fish bowl?.How often should betta fish water be changed?.How long can a betta fish go without water change?.Can betta fish live in a bowl without a filter?.

Betta fish bowl ideas