The HYDROS Diaphragm Water Pump is a compact and versatile accessory designed to enhance your saltwater aquarium’s auto-top-off system. This pump uses positive external displacement to move liquids efficiently, providing a reliable solution for water level management in reef tanks. It features a GX-2 connector that allows it to be powered and controlled by the HYDROS Drive Port on your main controller, offering seamless integration into existing systems. The pump includes tubing and mounting accessories, making installation quick and easy. With its ability to self-prime, run dry safely, and prevent backflow siphons, this diaphragm water pump is an essential tool for maintaining optimal water levels without the risk of overflow or contamination. It is particularly beneficial for aquarium enthusiasts who want a dependable, low-maintenance solution for their auto-top-off systems, ensuring that water parameters remain stable and fish are healthy.