Magnetic Drive Aquarium Pumps. Theres a quiet reliable Aqua-Supreme pump for most fresh and saltwater aquarium applications from 70 GPH to 725 GPH. Ask your dealer to show you which of these will best suit your installation. For Submersible Use. For Fresh and Saltwater Aquariums. Super-Quiet Operation. Energy-Efficient Magnetic Drive. Variable Flow Control. 6 Power Cord with Grounded Plug. Case Pack 6.