Nyos OPUS G2 300 Aquarium w/ Pro-Line Cabinet

Nyos OPUS G2 300 Pro-Line – Where Modern Design Meets Practical Reefing

Elevate your saltwater reef setup with the Nyos OPUS G2 300 Pro-Line—a 69-gallon ready-to-run aquarium system built for serious reefers who want style, substance, and simplicity in one sleek package. With ultra-clear glass, a concealed external overflow, durable Pro-Line cabinetry, a fully integrated sump system, and pre-assembled plumbing, the OPUS G2 300 delivers premium German craftsmanship with none of the DIY headaches.

Key Features at a Glance:

• 69-Gallon Display Volume

• Ultra-Clear Glass on Front and Side Panels

• Recessed External Overflow Box

• Premium White Pro-Line Cabinet with Push-to-Open Doors

• Glass Sump with ATO Reservoir

• Pre-Assembled Herbie-Style Plumbing System

Crystal-Clear Viewing Experience

The OPUS G2 display tank is built with ultra-clear glass on the front and both side panels to deliver vivid coral and fish coloration with unmatched clarity. Transparent silicone ensures a clean, uninterrupted view, while a deep blue rear glass panel enhances the feeling of depth and replicates a natural underwater backdrop.

Thanks to the recessed external overflow box, there’s no bulky overflow inside the tank—giving you more freedom for aquascaping and easier access to clean the back panel.

Refined Pro-Line Cabinetry

• Cabinet Dimensions: 38.8"L x 25.8"W x 35.4"H

• Total Height with Tank: 4' 7"

• Finish Options: Matte White or Basalt Grey

• Hinges: Soft-Close 125°

• Sand Edge & Bottom Seam Concealed

• Height-Adjustable Feet

• Recessed Push-to-Open Doors

The Pro-Line cabinet features a cubic design with a larger footprint than the Slim-Line version. It's coated with durable melamine for enhanced resistance to scratches, moisture, and impact. Inside, waterproof pads provide extra protection, while the concealed edges create a streamlined, minimalist look.

Compact and Flexible Filtration

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

• Water Volume: 14 Gallons @ 8" Depth

• Skimmer Chamber: 11.8" x 20"

• Return Chamber: 7.9" x 8.7"

• ATO Reservoir: 4.7"L x 16.5"W x 20"H (6 Gallons)

The included sump offers a simple yet versatile design that accommodates protein skimmers, media reactors, and refugiums. A constant 8" water level ensures optimal skimmer performance. Filter socks are included to trap debris, keeping your water clean and polished.

Quiet, Pre-Assembled Plumbing

• Primary Drain: 32mm

• Emergency Drain: 20mm

• Return Line: 20mm

• Herbie-Style Overflow: Silent Operation + Emergency Failsafe

No cutting, gluing, or guesswork—just plug and play. Nyos pre-assembles the entire plumbing system for easy installation. The Herbie-style overflow system ensures near-silent operation with built-in redundancy to safeguard your reef in case of clogs.

What’s in the Box:

• OPUS G2 300 Aquarium with External Overflow

• White Pro-Line Cabinet (Matte Finish)

• Glass Sump

• ATO Reservoir (6 Gallons)

• Pre-Assembled PVC Plumbing

• Filter Socks
  
  
  Note: Return pump not included. A flow rate of approximately 525 GPH is recommended.