Aquarium Water PumpsExternal water pumps, available in a variety of sizes, may be used as return pumps (from a sump or wet/dry filter), for closed loop circulation or to drive a protein skimmer. A powerhead is a submersible water pump generally used for water circulation within an aquarium or to power a protein skimmer.
Whether you have a pond or an aquarium, the importance of an effective pump cannot be emphasized enough. Simply put, a pump moves water from one part of your aquarium to another. It might seem unremarkable until you realize that w...ON SALE$99.99