Nyos OPUS G2 440 Aquarium w/ Slim-Line Cabinet

Premium Craftsmanship Meets Minimalist Design

Built for reef enthusiasts who appreciate clean lines and thoughtful functionality, the Nyos OPUS G2 series delivers a high-end aquarium experience right out of the box. Available at Reef Supplies, this 100-gallon system features ultra-clear glass, an external overflow box, a sleek Slim-Line cabinet, and a pre-assembled sump and plumbing package that simplifies setup without sacrificing quality.

Display Tank Features:

• 100 Gallon Display Volume

• Ultra-Clear Glass on Viewing Panels

• External Overflow Box

• Transparent Silicone Seams for an Unobstructed View

• Dark Blue Rear Glass Enhances Depth and Visual Impact

With ultra-clear glass on the front and sides, the OPUS G2 showcases the vivid colors of your reef inhabitants. The external overflow box is recessed into the rear panel, freeing up internal space for aquascaping and allowing for easier maintenance. A deep blue background adds visual depth, creating a striking underwater scene.

Slim-Line Cabinet Design:

• Cabinet Dimensions: 49.2"L x 21.7"W x 35.4"H

• Total Height with Aquarium: 4' 9"

• Height-Adjustable Feet: No

• Sand Edge Concealed: No

• Hinges: Standard

• Push-to-Open Doors

• Matte Finish in Basalt Grey or White

Designed to match the exact footprint of the tank, the Slim-Line cabinet offers a modern, minimalist look. Durable melamine coating resists scratches and impacts, while waterproof pads on the interior provide added protection. The increased height over previous models improves accessibility to the sump and equipment during routine maintenance.

Sump & Plumbing System:

• Sump Dimensions: 23.6"L x 20"W x 13.8"H

• Sump Water Volume: 16.4 Gallons (at 8" depth)

• Skimmer Chamber: 13" x 20"

• Return Chamber: 8.9" x 8.7"

• ATO Reservoir Dimensions: 6.7"L x 16.5"W x 20"H

• ATO Water Volume: 6 Gallons

The included sump is simple yet highly adaptable, with enough room to accommodate skimmers, media reactors, or algae reactors. The water level of approximately 8" is ideal for most protein skimmers. Plumbing comes pre-assembled in a quiet Herbie-style dual drain setup, reducing noise and adding an emergency drain line for peace of mind.

Plumbing Specifications:

• Primary Drain: 32mm

• Emergency Drain: 20mm

• Return Plumbing: 20mm

What’s Included:

• OPUS G2 440 Aquarium with External Overflow Box

• White Slim-Line Cabinet (Matte Finish)

• Glass Sump

• ATO Reservoir

• Pre-Assembled PVC Plumbing

• Filter Socks

Note: Return pump not included. A pump with a flow rate of approximately 525 GPH is recommended.

Find this all-in-one saltwater aquarium system and more at Reef Supplies—your source for quality reefing gear in Canada.