Red Sea Reefer S-700 G3 – Premium Reef-Ready Aquarium System

A 700 L professional reef system that combines beauty, strength, and intelligent design.

The Red Sea Reefer S-700 G3 represents the ultimate evolution of Red Sea’s premium S-Series aquariums — created for reefkeepers who want the perfect balance of size, sophistication, and performance.

Building on the success of the G3 platform, the S-700 G3 features a robust aluminium super-structure, Euro-Brace reinforced ultra-clear glass, a slide-out control panel, and upgraded hydrodynamic plumbing for whisper-quiet operation.
Designed for large reef displays, it delivers smart automation, structural confidence, and effortless control in a system built to last.

Key Benefits

Premium S-Series Strength – The aluminium frame and Euro-Brace reinforcement provide maximum stability and durability, perfect for large-scale reef environments.

Smarter Reefing, Simplified – Integrated ReefATO+ automatically manages top-off, monitors temperature, and detects leaks — all via the ReefBeat® app.

Deeper, Wider, More Immersive – The S-700’s increased depth and width allow more creative aquascaping and better water flow for coral growth.

Whisper-Quiet Operation – Advanced ReefGate valve and hydrodynamic plumbing ensure near-silent performance even under high flow.

Tidy, Organised Control – The slide-out control panel keeps controllers and cables neatly accessible, maintaining a clean display area.

Core Features

• Aluminium Super-Structure

  • Marine-grade aluminium frame for unbeatable rigidity

  • Corrosion-resistant, with integrated levelling and easy cabinet access

• Euro-Brace Reinforcement

  • Reinforced perimeter for extra glass support and long-term integrity

  • Retains rimless, open-top appearance for clean aesthetics

• ReefATO+ System (Smart Automation)

  • Dual sensors for redundancy

  • Temperature monitoring (±0.1 °C accuracy)

  • Leak detection with automatic safety shutdown

  • Fully managed via the ReefBeat® app

• Hydrodynamic Plumbing

  • Improved layout for higher efficiency and reduced noise

  • ReefGate fine-control valve for smooth, quiet flow

  • Dual return outlets for balanced water circulation

• Modular Filtration System

  • ReefMat-ready sump with adjustable water level

  • Large skimmer chamber and integrated top-off reservoir

  • Flexible layout for reactors or refugiums

• Slide-Out Control Panel

  • Side-mounted pull-out board for tidy controller installation

  • Keeps cables hidden while allowing easy access

• Cabinet & Finish

  • Marine-grade laminated panels supported by aluminium frame

  • Soft-close doors, moisture-resistant surfaces, adjustable feet

  • Available in black or white

• Display Glass

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

  • Deeper and wider display for immersive viewing

Technical Specifications

Who is the Reefer S-700 G3 For?

• Experienced reefkeepers seeking a premium large-format system

• Hobbyists running SPS-dominated or mixed reefs needing total stability

• Aquarists who want smart automation and ultra-quiet performance

• Enthusiasts looking for a statement display built to professional standards

• Those who value strength, design, and long-term reliability

Warranty & Support

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