The Nautilus DC Return Pump 300 GPH is an energy-efficient and highly controllable solution designed to circulate water in your saltwater aquarium. This compact DC-powered pump is ideal for nano tanks and smaller reef systems, effectively returning filtered water from your sump back to the main display tank. Its precise adjustability ensures optimal flow for a healthy and thriving aquatic environment.

Key features of this pump include 10 adjustable output settings, allowing flow rates as low as 10% of its maximum 300 GPH. It boasts a maximum head height of 5 feet and a low power draw of just 12 watts. Integrated feed timers offer convenient 10, 30, or 50-minute pause options. For advanced users, the Nautilus DC pump accepts a 0-10v analog DC control input, making it compatible with popular aquarium controllers like Neptune Apex and Coralvue Hydros. It operates with a built-in slow start function and runs whisper-silent, and includes multiple output nozzle sizes (1/2”, 5/8”, 3/4” hose barb) for flexible plumbing.

This Nautilus DC Return Pump 300 GPH is best suited for reef keepers with nano aquariums or smaller systems requiring a reliable, quiet, and energy-efficient return pump. Its fine-tuned control and controller compatibility make it an excellent choice for those who value precision and automation in maintaining stable water parameters and circulation within their marine habitat.