Air pumps are small, portable devices that use compressed air to create bubbles that are dispersed through a diffuser. Air pumps are available in many different sizes and types. Most people use air pumps to aerate their aquariums, ponds, and water gardens.
The air pump is one of the most essential tools for any aquarist. It is used to create bubbles, which helps oxygenate the water and remove ammonia and nitrates.