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.
$29.99Do you want a powerful yet gentle powerhead for your tank? Give your aquarium the finest aquarium pump it could have. The Hydor Koralia Nano Circulation Pump/Powerhead from Pet Store is designed specially for small reef aquari... Learn More