Red Sea REEFER™ G3 170 Reef Aquarium

The Red Sea REEFER™ G3 170 is the perfect entry into the premium REEFER range, combining exceptional build quality with smart design in a compact footprint. 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 everything you need to build a thriving reef aquarium. 

With a 128-litre display aquarium and a 165-litre total system volume, the REEFER G3 170 offers ample space for a stunning nano-to-medium reef while remaining easy to maintain. Measuring 60 × 50 × 51 cm (L × W × H) with an overall system height of 137 cm, it’s ideal for homes, offices and hobbyists where space is at a premium. 

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 create 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 very first reef aquarium or creating a beautifully compact mixed reef, the REEFER G3 170 delivers the same premium engineering found throughout the REEFER range. Its compact footprint, intelligent sump design and exceptional build quality make it an ideal choice for beginners and experienced reef keepers alike.

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 170, 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 Protein Skimmer
• ReefRun DC Return Pumps
• ReefMat 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