Red Sea Reefer S-550 G3 – Premium Reef-Ready Aquarium System

A 550 L premium reef system engineered for professional performance, precision, and modern design.

The Red Sea Reefer S-550 G3 sits at the top of Red Sea’s flagship Reefer S range — combining all the intelligent features of the G3 series with enhanced strength, deeper proportions, and a beautifully refined finish.

Featuring a robust aluminium super-structure, slide-out control panel, and Euro-Brace reinforced glass, the Reefer S-550 G3 is built for serious reefkeepers who want professional quality, exceptional reliability, and effortless control.

Key Lifestyle Benefits

Premium S-Series Engineering – The S models take the G3 platform further, adding an aluminium frame, deeper display dimensions, and a slide-out control panel for neat equipment management.

Smart & Connected Control – The integrated ReefATO+ system automatically manages top-off, temperature, and leak detection — all monitored through the ReefBeat® app.

Ultra-Strong, Ultra-Quiet Design – Euro-Brace construction, thicker ultra-clear glass, and refined hydrodynamic plumbing ensure silent, stable, and long-lasting performance.

Professional Filtration System – Large, ReefMat-ready sump with adjustable water height, skimmer chamber, and integrated top-off reservoir.

A Premium Display Centrepiece – Deeper and wider than standard Reefer models, creating an immersive reef view that dominates any living space or office.

Core Features

• Aluminium Super-Structure

  • Marine-grade frame for maximum rigidity and long-term durability

  • Corrosion-resistant and engineered for easy cabinet access

• Integrated Control Panel

  • Slide-out side panel for neat installation of controllers and power units

  • Keeps wiring organised and hidden from view

• Euro-Brace Reinforcement

  • Reinforced upper frame for strength and stability

  • Retains rimless, open-top appearance

• ReefATO+ System (Smart Automation)

  • Dual sensors for water-level accuracy and redundancy

  • Integrated temperature probe (±0.1 °C)

  • Leak detection and automatic safety shutdown

  • Managed through the ReefBeat® app

• Upgraded Hydrodynamic Plumbing

  • Redesigned flow path for higher efficiency

  • ReefGate valve for silent downflow tuning

  • Dual return outlets for balanced water movement

• Modular Filtration System

  • Glass ReefMat-ready sump with flexible layout

  • Adjustable skimmer chamber and integrated reservoir

  • Easy maintenance access

• Cabinet & Finish

  • Marine-grade panels supported by aluminium frame

  • Soft-close doors, levelling feet, moisture-resistant coating

  • Available in black or white finishes

• Display Glass

  • Bevelled-edge ultra-clear glass, up to 19 mm thick

  • Wider and deeper proportions for immersive viewing

Technical Specifications

Who is the Reefer S-550 G3 For?

• Serious reefkeepers seeking a premium-grade display aquarium

• Hobbyists running large SPS or mixed reef ecosystems

• Aquarists who value smart automation, strength, and silence

• Enthusiasts building a professional show tank with expansion options

• Those looking for a modern, furniture-quality system that lasts a lifetime

Warranty & Support

All Red Sea Reefer S-Series systems include a 3-year manufacturer’s warranty, extendable to 5 years upon registration. UK-based support and spare parts ensure long-term reliability and confidence.