Description

Red Sea Reefer 350 G3 Reef Aquarium System

The Red Sea Reefer 350 G3 reef aquarium is part of Red Sea’s advanced REEFER G3 series — a next-generation reef-ready aquarium platform featuring redesigned water management, ultra-clear rimless glass, ReefMat-ready sumps, and an integrated smart ATO. It provides reef keepers with a professional foundation for building a high-performance marine reef aquarium.

Product Overview

The Red Sea Reefer 350 G3 reef aquarium is a large-format, reef-ready aquarium system designed for aquarists who want increased water volume, improved biological stability, and greater aquascaping flexibility. As part of the G3 range, this marine reef aquarium system incorporates Red Sea’s advanced hydrodynamic plumbing, ultra-clear reinforced glass, a ReefMat-ready professional sump, and integrated ReefATO+ auto top-off preparation — delivering reliability, scalability, and long-term performance for modern reef tanks.

Dimensions & Volumes

Display Tank Dimensions

• Length: 120 cm (47.2″)
• Width: 50 cm (19.7″)
• Height: 53 cm (20.9″)

Cabinet & Overall Height

• Overall system height (tank + cabinet): approx. 140 cm (55.1″)

Water Volume

• Display tank volume: approx. 275 litres (72.6 gal)
• In-cabinet sump volume: approx. 75 litres (19.8 gal)
• Total system volume: approx. 350 litres (92.4 gal)

Cabinet Construction & Build Quality

The Red Sea Reefer 350 G3 cabinet is constructed from marine-spec laminated plywood, engineered specifically for long-term use in saltwater environments. Adjustable levelling feet ensure precise installation on uneven floors, while the spacious cabinet interior neatly houses the sump, plumbing, and optional reef equipment for a clean and professional reef aquarium installation.

Flow System & Plumbing

The REEFER 350 G3 reef aquarium features Red Sea’s latest hydrodynamic plumbing system, engineered to deliver quieter operation, smoother water flow, and improved circulation efficiency. The system supports a wide range of return pumps (not included), allowing aquarists to customise flow rates for soft coral, LPS, or SPS reef systems.

• Precision-engineered silent downflow system
• High-accuracy Red Sea gate valve for fine flow adjustment
• Optimised pipe routing for reduced turbulence and noise
• Designed to support a wide range of return pump options (pump not included)

Glass & Structural Features

• Ultra-clear rimless glass front and side panels (approx. 12 mm thickness)
• Bottom glass approx. 12 mm; reinforced rear panel construction
• Extended tank length for enhanced aquascaping and fish swimming space
• Rigid, braced construction for long-term structural integrity
• Professional ReefMat-ready sump designed for mechanical filtration, skimmer, and refugium configurations

Included Features

The Red Sea Reefer 350 G3 reef aquarium system is supplied as a reef-ready base system, giving hobbyists full freedom to customise lighting, filtration, and circulation equipment.

Included as standard:
• Ultra-clear rimless glass display tank
• Professional ReefMat-ready sump system
• Integrated ReefATO+ smart auto top-off preparation
• Complete G3 plumbing and overflow system
• Marine-spec cabinet with adjustable levelling feet

Not included (user-selectable):

• Lighting (LED fixtures optional)
• Return pump
• Protein skimmer
• Circulation pumps
• ReefMat / filter media

Warranty

The Red Sea Reefer 350 G3 reef aquarium is eligible for Red Sea’s extended warranty of up to 5 years when registered with Red Sea. The warranty covers manufacturing defects in materials and workmanship, subject to Red Sea’s registration requirements and usage terms.