The Danner Mag-Drive 18 is a high-performance, magnetically driven centrifugal water pump designed for the demanding circulation needs of large saltwater aquariums and reef systems. Engineered for continuous duty operation, this versatile pump can be utilized either fully submerged or externally in-line, serving as a reliable main system return pump or to power filtration equipment like protein skimmers, reactors, and UV sterilizers. Its robust construction ensures long-lasting performance, making it the powerful heart of your aquarium's life support system.

This workhorse pump delivers a substantial maximum flow rate of 1800 gallons per hour, making it suitable for significant water turnover. It boasts an impressive maximum head pressure of 21 feet, capable of pushing water to impressive heights with 1350 GPH of flow at a 4-foot head height. The pump operates on a standard 115V connection, drawing 145 watts of power, and features standard 3/4-inch threaded inlet and outlet ports for easy plumbing integration. Its compact footprint, measuring 6.5 inches long by 3 inches wide and 5.5 inches high, allows for flexible placement within sumps or equipment cabinets.

The Danner Mag-Drive 18 is an excellent choice for advanced hobbyists and owners of large aquarium systems, typically 150 gallons or more, who require high flow and significant head pressure. It is particularly well-suited for setups with basement sumps, tall stands, or complex plumbing runs where a less powerful pump would struggle. Aquarists seeking a durable, proven, and versatile pump that can handle the rigorous demands of a sophisticated reef ecosystem will find the Mag-Drive 18 to be a dependable and powerful solution.