Red Sea REEFER™ G3 750 Reef Aquarium

The Red Sea REEFER™ G3 750 is a premium reef-ready aquarium designed for hobbyists who want to create an impressive, large-scale marine display. Combining ultra-clear euro-braced glass, an extra-fortified marine-spec cabinet with reinforced aluminium supports, 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 aquarium.

With a 572-litre display aquarium and an impressive 750-litre total system volume, the REEFER G3 750 offers exceptional space for creative aquascaping, larger fish species and demanding coral collections. Measuring 180 × 65 × 60 cm (L × W × H) with an overall height of 148 cm, it delivers a stunning panoramic display while remaining practical to maintain.

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 euro-braced glass aquarium
• Extra-fortified marine-spec cabinet with reinforced aluminium supports
• 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
• Up to 50% improved water circulation
• 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 creating a spectacular SPS reef, a vibrant mixed reef or a showcase marine aquarium, the REEFER G3 750 combines exceptional build quality with intelligent water management and complete flexibility when selecting your equipment.

Every aspect of the system has been engineered to provide long-term reliability, easy maintenance and the ideal environment for everything from soft corals and LPS to the most demanding SPS reef aquariums.

What’s Included

• Ultra-clear euro-braced glass aquarium
• Marine-spec cabinet
• REEF-SPEC glass sump
• Complete precision plumbing system
• Integrated ReefATO+ smart auto top-off system
• Levelling feet
• Assembly instructions

Equipment Required (Sold Separately)

• Return pump
• Protein skimmer
• Lighting
• Water circulation pumps
• Heater
• Live rock
• Marine salt
• Substrate
• RO water system (recommended)

Compatible Equipment

• Red Sea ReefLED G2 Lighting
• REEFER DC 900 Protein Skimmer
• ReefRun DC Return Pumps
• ReefMat 1200 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