To keep an aquarium healthy, you need adequate aeration to circulate and oxygenate the water. Aquarium Air Pumps can be connected to air stones or other diffusers to create an array of bubbles that are not only beautiful, but circulate and oxygenate the water. Air Pumps can also power protein skimmers as well. For small aquariums, our aquarium air pumps would typically be connected to an air-operated filter. We offer aquarium air pumps of all sizes from EG Danner, Million Air, Rena Air, Tetra, Vibra Flow, Whisper, and others. We also carry a full range of Ario decorative products that use air bubbles to create some unusual and humorous effects. Check them out as well.