Pond AerationThere are many different uses for air pumps, including: running air-driven protein skimmers, ozonizers, and sponge filters. Having a well-aerated pond help stabilize pH levels and provide the necessary oxygen for respiration.
An aquarium needs a lot of oxygen because of the fish and corals living in it, but let's not forget about carbon dioxide (or CO2 for short), too. Plants need CO2 as much as animals need oxygen. However, CO2 is usually not as abund...ONLY$0.99