Red Sea REEFER™ G3 200 Reef Aquarium

The Red Sea REEFER™ G3 200 is a premium reef-ready aquarium that combines exceptional build quality with intelligent design, making it ideal for hobbyists looking to create a stunning marine aquarium without compromising on performance. Featuring ultra-clear rimless glass, a marine-spec cabinet, a REEF-SPEC sump, redesigned high-flow plumbing and the integrated ReefATO+ smart auto top-off system, it provides the perfect foundation for a thriving reef ecosystem. 

With a 158-litre display aquarium and a 200-litre total system volume, the REEFER G3 200 offers generous space for aquascaping and coral growth while maintaining a compact footprint. Measuring 60 × 57.5 × 53 cm (L × W × H) with an overall system height of 140 cm, it’s ideal for homes, offices and dedicated reef rooms alike. 

Fully compatible with the complete Red Sea ReefBeat® ecosystem, it integrates seamlessly with ReefLED lighting, ReefRun DC return pumps, ReefMat roller filters, ReefDose and REEFER DC protein skimmers, allowing you to build a fully connected smart reef aquarium. 

Key Features

• Ultra-clear rimless glass aquarium
• Marine-spec cabinet
• REEF-SPEC glass sump with ReefMat-ready filtration chamber
• Integrated ReefATO+ smart auto top-off system
• Redesigned plumbing for quieter operation and improved flow
• Hydrodynamically optimised water management
• Fully compatible with the complete ReefBeat ecosystem
• Available in Black or White
• Up to 5-year extended warranty when registered with Red Sea 

Why You’ll Love It

Whether you’re setting up your first reef aquarium or upgrading to a premium system, the REEFER G3 200 delivers the perfect balance of compact dimensions and generous water volume. Its intelligent sump design, premium construction and seamless compatibility with Red Sea’s ecosystem make it easy to create a stable, thriving reef that’s built to last.

What’s Included

• Ultra-clear rimless glass aquarium
• Marine-spec cabinet
• REEF-SPEC glass sump
• Complete precision plumbing system
• Integrated ReefATO+ smart auto top-off system
• Filter socks and media cups
• Levelling feet
• Assembly instructions 

Equipment Required (Sold Separately)

To complete your REEFER™ G3 200, you’ll also need:

• Return pump
• Protein skimmer
• LED lighting
• Water circulation pumps (wavemakers)
• Heater
• Live rock
• Marine substrate
• Marine salt
• RO/DI water system (recommended)
• Test kits and water treatments

Compatible Equipment

• Red Sea ReefLED G2 Lighting
• REEFER DC 300 Protein Skimmer
• ReefRun DC Return Pumps
• ReefMat 250 Roller Filter
• ReefWave Pumps
• ReefDose
• ReefCan 

Delivery

🚚 Free UK Mainland Delivery
📦 Direct from Red Sea or Out of the Blue Marines
🛡 Official Red Sea Manufacturer’s Warranty
💳 Pay securely with Klarna, Shop Pay, PayPal, Apple Pay and all major credit & debit cards