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.
Aquariums do not necessarily need water pump. As long as you keep the water clean and changed on a regular basis, everything should work out perfectly, right? In a way, yes. But if you are an enthusiastic aquarium owner, you'll wa...ONLY$248.97