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.
Water pumps are important instruments in every type of aquarium. Usually, in real seas and rivers there is a current that naturally flow different kinds of impurities in the water. Aside from that, natural water currents help orga...ONLY$164.99