Reefer 250 G2+

Red Sea REEFER 250 G2+ – Compact, Customisable Reef-Ready Aquarium

The Red Sea REEFER 250 G2+ is a premium, compact reef-ready system designed for hobbyists who want total freedom in selecting and configuring their own equipment. With a total system volume of 253 litres, this model is perfect for smaller spaces while still delivering the performance, flexibility, and elegance expected from Red Sea’s REEFER range.

Built with ultra-clear glass, silent water management, and a fully featured sump—including the smart ReefATO+ system—the REEFER 250 G2+ is ideal for aquarists who want to build a personalised reef setup on a reliable, high-quality foundation.

Key Features

Ultra-Clear, Rimless Display Tank

• Made from 12 mm bevelled-edge, ultra-clear glass for exceptional clarity

• Sleek, rimless design for a modern and unobstructed viewing experience

Marine-Spec Cabinetry

• Constructed from water-resistant plywood with a laminated finish

• Features adjustable levelling feet and stainless steel hinges

• Clean, minimalist design that complements any space

Advanced Water Management

• Side-facing return pump outlets for better water distribution

• Large central overflow box with removable weir comb for easy cleaning

• Enlarged rectangular downflow pipe for quieter flow and reduced turbulence

• High-precision valve allows fine-tuning of flow for silent operation

• Includes pre-glued plumbing with both metric and imperial bulkhead fittings for maximum compatibility

Professional Reef-Ready Sump

• Mechanical filtration chamber with micron filter socks and filter cups

• ReefMat-ready compartment (compatible with ReefMat 500 – sold separately)

• Adjustable-height skimmer chamber for tuning water level

• Bubble trap to reduce microbubbles

• Built-in RO reservoir to support automatic top-off systems and maintain water stability

Smart ReefATO+ System Included

• 3-in-1 automatic top-off system with:
  – Titanium water level sensor
  – Digital temperature sensor (accurate to 0.1°C)
  – External leak detector with audible alerts

• Quiet, compact ATO pump with a max flow of 283 L/h and 2.4m max head height

• Built-in safety shutoffs for dry runs, disconnected sensors, leaks, or extended operation

• Fully integrated with the ReefBeat® app for remote monitoring and control

• Low power draw of just 6–10W

System Specifications

• Display Tank Dimensions: 90 cm (L) x 50 cm (W) x 53 cm (H)

• Display Volume: 204 litres

• Sump Volume: 49 litres

• Total System Volume: 253 litres

• System Height (incl. cabinet): 140 cm

• Glass Thickness (all panels): 12 mm

• ATO Pump Flow Rate: 283 litres/hour

• ATO Pump Max Head Height: 2.4 metres

• ATO Pump Power Consumption: 6–10 watts

Warranty

Includes a 2-year standard warranty, extended to 3 years with online registration.