Description of White Breathing Ring for filter media of tank or fish aquarium

The beneficial bacteria removes ammonia and nitrites (harmful chemicals) from your aquarium. These chemicals naturally build up inside your aquarium, and if the bacteria in your tank don't remove them, then your fish will eventually die. As you see, these beneficial bacteria are pretty important.
Well, these bacteria need a place to live. Ceramic rings offer the perfect home for the beneficial bacteria in your aquarium.
You see, beneficial bacteria need a surface to cling to. The more surface that is available, the more bacteria that your filter media can hold.
Ceramic bio filter increase their surface area through tiny little pores. These pores are so small that you can hardly see them without a microscope.