Reef Octopus OCTO Reef Sump | Premium Acrylic Reef Sump with Built-In ATO Reservoir

The Reef Octopus OCTO Reef Sump Series combines premium acrylic construction, intelligent chamber layouts, and integrated freshwater ATO reservoirs to create an efficient and organized filtration system for modern reef aquariums.

Available in four sizes, each model offers ample room for protein skimmers, return pumps, heaters, aquarium controllers, and future equipment upgrades.

Key Features

• Premium cell-cast acrylic construction

• Integrated freshwater ATO reservoir

• Adjustable skimmer chamber water depth (5.1"-9")

• Quiet bubble-diffusing intake chamber

• Probe holders and spacious equipment chambers

• Compatible with fleece filter upgrades

• Designed for long-term reef aquarium performance

Available Sizes

• OCTO 15A – Up to 65 Gallons

• OCTO 24A – 65-100 Gallons

• OCTO 30A – 100-150 Gallons

• OCTO 36A – 150-220+ Gallons

Perfect For

• Reef aquariums

• Mixed reefs

• SPS and LPS systems

• Fish-only marine aquariums

• New builds and filtration upgrades

Shipping Information

Please allow up to 3 business days for order processing before your order ships. Shipping times may vary depending on warehouse location and delivery address. Tracking information will be provided once your order ships.