The Reef Octopus Regal 300 EXT Recirculating Protein Skimmer is a premium filtration device engineered to deliver exceptional water clarity and purity for advanced saltwater reef aquariums. This high-performance external protein skimmer efficiently removes organic waste compounds from the water column, preventing the buildup of harmful nutrients and maintaining a pristine environment for sensitive marine life. Its recirculating design optimizes contact time for superior skimming efficiency.

Central to its operation is the powerful 36V VarioS Controllable Pinwheel Pump, offering 5 energy-saving power settings and advanced control. The robust unit boasts solid cast acrylic construction and a compact footprint of 20 inches by 17.5 inches, with a total height of 28.4 inches and a 12-inch reaction chamber. Key features include a detachable controller with a waterproof union, an integrated safety float switch, and 0-10v input for seamless integration with third-party aquarium controllers, along with two customizable pause/feed modes.

This skimmer is ideal for dedicated reef aquarists managing large to extra-large systems, capable of handling heavy bioloads in tanks up to 500 gallons, medium bioloads in 600 gallons, and light bioloads in 700 gallons. Its advanced control capabilities, robust build, and high efficiency make it perfect for hobbyists seeking precise nutrient export and long-term reliability for their thriving reef ecosystems. The small footprint also benefits those with limited sump space.