Powerful, magnetic-drive aquarium pumps for in-line or submersed use
Very energy efficient and reliable - ideal for continual use
Budget-friendly pump for use in fresh or saltwater aquariums
These energy efficient, magnetic drive pumps have only one moving part. Specially designed to run continuously either in-line or submersed. Very low maintenance with an easy-clean pre-filter. Ideal for fresh or saltwater aquariums. Complete with pre-filter and 10 ft. power cord.
Shut off (ft)
Watts per hour
Replacement Rigid PreFilter prevents large pieces of substrate or debris from damaging your aquarium pump. 4" x 4" x 6" Rigid PreFilter fits Mag Drive Pump models 500 (MD5) through 1800 (MD18).
Please click on "More Information" for additional features and flow charts.
Mag Drive pumps are versatile low-maintenance pumps, ideal for in-line or submerged use. These rugged pumps are specifically designed to run continuously submersed or inline for: circulation, filtration. The motor is epoxy filled, wiping out the possibility of water getting inside, or anything leaching out into your aquarium water.
These pumps contain no seals to wear, and all electrical components are encapsulated in epoxy with no seals to wear or break. A pre-filter screen is included for use in submerged setups where deposits or debris in the water could clog or damage the pump.
For submerged or in-line use.
For freshwater or saltwater.
Mag Drive pumps are best suited for free-flow setups, where water encounters very little back pressure.
The pump is magnetically driven - it has no seals to wear and contains no oil.
Energy used is approximately 1/2 of regular motor driven pumps.
Installation Tips In-line Pump:
Using an in-line pump with a wet/dry filtration system: Water flows via gravity from the aquarium into the wet/dry filter, and then into the filter's sump. From the sump, it flows into the pump via gravity through a bulkhead installed in the side of the sump. The pump sends water back up into aquarium from the wet/dry filter's sump. When installing pumps with wet/dry filtration, you'll need to drill into the filter's sump to install the bulkhead, then mount the pump level to the bottom of the filter's sump. You need to siphon water into the pump before turning it on.
Using an in-line pump with canister filtration: Water moves via gravity from the aquarium into the pump. The pump pushes the water through the canister filters, and back up into the aquarium (or UV filter, chiller, etc.). You need to siphon water from the aquarium and flood the pump before turning it on.
Never restrict the inlet flow of any water pump. This will quickly cause permanent motor damage.
You can restrict the outlet flow of the water pump with a ball valve in order to achieve the desired flow rate.
Use ball valves before inlet and after outlet to make pump removal easy and spill free.
Anytime a threaded connection is used, be sure to use Teflon tape. When using barb insert connections to flexible tubing, use hose clamps. (Plastic hose clamps are required for underwater use.)
Set your submersible pump on suction cups at the bottom of your sump. This will help reduce vibration and noise.
Be sure to completely submerge the pump before connecting it to a power source.
Try not to place the submerged pump's inlet near the output of the protein skimmer, if you have one installed. A skimmer can sometimes produce air bubbles in the exhaust water, and these bubbles can be sucked up by the pump and returned to the aquarium. These bubbles are undesirable inside an aquarium, especially a reef aquarium.
All water pumps benefit from a regular cleaning. Check the manufacturer's instructions as to how often maintenance should be performed on your particular pump.
Basic Cleaning Steps:
Remove the pump from the system.
Remove filter from the front of submerged pumps and remove debris. Rinse with plain fresh water (no soap).
Remove the impeller housing cover to expose the impeller.
Remove the impeller and the magnet. Inspect them for damage and wash with plain fresh water (no soap or abrasives).
Wash out the impeller housing with plain fresh water (no soap or abrasives).
Reassemble the pump and re-install it in your system.
Other Cleaning Tips:
Some brands of in-line pumps require periodic oiling to lubricate the motor. Always refer to your owner's manual for instructions on this procedure.
If you have lime or mineral buildup on any part of your pump, you can dissolve these with Lime Off, a product especially designed for removing lime, salt residue, and other hard deposits on aquarium equipment. Make sure to rinse thoroughly with fresh clean water before reassembling your pump.
Return of electrical equipment to Foster & Smith Aquatics for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, electrical equipment is covered by the manufacturer's warranty and should be returned directly to Danner Manufacturing.
When choosing a water pump type and size, there are several factors to include in your decision. Filtration type, desired flow rate, plumbing and head height, and adding additional devices all come into play. This article helps clear the confusion.
Your primary objective is to maintain a healthy thriving aquatic environment for your underwater plants and animals. To achieve this goal, one of the most critical decisions you'll make is choosing the right pump. Compare pumps here.
Please note: Return of electrical equipment to Drs. Foster & Smith for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, please contact the manufacturer for repair or replacement as covered by the manufacturer's warranty.
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