120 of 132 Items
120 of 132 Items
At AquaCave, we offer some of the best selection & best prices on External Aquarium Water Pumps, In Line Water Pumps for you marine, reef, and freshwater aquarium.
External Aquarium Water Pumps consist of an external motor which pulls water from the aquarium or sump and pushes it out the outlet. This is the most common type of water pump for an advanced freshwater, marine and reef aquariums. External water pumps are more powerful than submersible pumps and help keep the heat out of the water. Commonly used as return pumps to feed filter water back to the aquarium and to drive aquarium equipment such as canister filters, protein skimmers, uv sterilizers and specialty filters. External water pumps are usually installed at the floor level next to the sump. External (in-line) pumps are recommended for larger aquariums 100 gal or more in volume. External water pumps will usually give you higher pressure and flow but may be a little louder comparing to submersible pumps.
