Nyos OPUS G2 440 Aquarium w/ Pro-Line Cabinet

Introduction

Exceptional Design Meets Reefing Excellence

Crafted with precision and attention to every detail, the Nyos OPUS G2 series is a ready-to-use reef aquarium system designed for reefers who value aesthetics, performance, and ease of use. Now available at Reef Supplies, this 100-gallon setup combines ultra-clear glass, a smart overflow design, and a robust Pro-Line cabinetall bundled with a sump and pre-assembled plumbing for a seamless experience from unboxing to aquascaping.

Display Tank Features:

• 100 Gallon Display Volume

• Ultra-Clear Glass on Viewing Panels

• External Overflow Box

• Transparent Silicone for Unobstructed Viewing

• Dark Blue Rear Panel Enhances Depth and Color

The front and side panels are made from ultra-clear glass, allowing vibrant, true-to-life color rendition of fish and corals. With the overflow box recessed externally, you get more space inside the tank for aquascaping and easy cleaning access. Every visual detail of the OPUS G2 was carefully curated to ensure nothing distracts from the reefing experience.

Pro-Line Cabinet Construction:

• Cabinet Dimensions: 52.6″L x 25.8″W x 35.4″H

• Total Height with Aquarium: 4′ 8″

• Sand Edge Concealed

• Height-Adjustable Feet

• Premium 125 Soft-Close Hinges

• Waterproof Interior Pads

• Matte Finish in Basalt Grey or White

Available in either modern basalt grey or timeless white, the Pro-Line cabinet offers a clean, functional base for your reef system. The cabinet is coated with durable melamine resin for resistance to scratches and impacts and features a push-to-open mechanism for a sleek, handle-free look. Enhanced height compared to the G1 model makes sump access and maintenance more convenient.

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 designed for flexibility, supporting a variety of equipment like protein skimmers, media reactors, or algae reactors. The plumbing is pre-assembled in a quiet Herbie-style dual drain system, offering both efficient flow and peace of mind with an emergency drain setup.

Plumbing Specifications:

• Primary Drain: 32mm

• Emergency Drain: 20mm

• Return Plumbing: 20mm

Whats Included:

• OPUS G2 440 Aquarium with External Overflow Box

• White Pro-Line Cabinet

• Glass Sump

• ATO Reservoir

• Pre-Assembled PVC Plumbing

• Filter Socks

Reef Supplies is proud to offer the Nyos OPUS G2an aquarium that balances craftsmanship and performance in one sleek, modern system.