An aquarium bubbler, also called an air stone

, adds beneficial bubbles to the aquarium's water. When these bubbles rise to the surface, they help the oxidation of water and improve the living conditions of fish, plants and other living creatures in the fish tank. Aquarium bubblers usually run 24/7.

Are bubblers necessary for fish tanks?

Just like you and me, fish need to breathe. To do this, fish draw dissolved oxygen out of the water – without it, most breeds of fish will suffocate. Bubblers add oxygen to your aquarium. ... As the bubbles rise, they agitate the surface, allowing a greater amount of oxygen to enter the water.

Can fish live without a bubbler?

A short answer is something like this: Fish can survive about two days without an air pump in completely still water. However, with the right kind of filter producing lots of surface water movement, an air stone may not be required at all.