Description

Red Sea Reefer 250 G3 Reef Aquarium System

The Red Sea Reefer 250 G3 reef aquarium system is part of Red Sea’s advanced REEFER G3 series. This reef-ready aquarium platform features ultra-clear rimless glass, redesigned G3 plumbing, a ReefMat-ready sump, and integrated smart ATO preparation. It provides a professional and reliable foundation for building a modern marine reef aquarium.

Product Overview

The Red Sea Reefer 250 G3 reef aquarium is a mid-sized reef-ready aquarium system designed for aquarists who want increased water volume without a large footprint. It offers excellent stability, flexibility, and equipment compatibility, making it ideal for growing mixed reef aquariums. As part of the G3 range, it delivers long-term performance for modern reef keeping.

Dimensions & Volumes

Display Tank Dimensions
• Length: 90 cm
• Width: 50 cm
• Height: 53 cm

Cabinet & Overall Height
• Overall system height (tank + cabinet): approx. 140 cm

Water Volume
• Display tank volume: approx. 203 litres
• In-cabinet sump volume: approx. 42 litres
• Total system volume: approx. 245 litres

Cabinet Construction & Build Quality

The Red Sea Reefer 250 G3 cabinet is constructed from marine-spec laminated plywood, designed for durability in saltwater environments. Adjustable levelling feet allow precise installation on uneven floors, while the cabinet provides generous internal space for the sump, plumbing, and optional reef equipment.

Flow System & Plumbing

The Reefer 250 G3 reef aquarium uses Red Sea’s G3 hydrodynamic plumbing system to deliver smooth, quiet, and efficient water movement throughout the aquarium.

• Precision-engineered silent downflow system
• High-accuracy Red Sea gate valve for fine flow adjustment
• Optimised G3 plumbing layout for reduced noise and turbulence
• Designed to support a wide range of return pumps (pump not included)

Glass & Structural Features

• Ultra-clear rimless glass front and side panels
• Reinforced construction for strength and visual clarity
• Balanced tank proportions for aquascaping and coral growth
• Professional ReefMat-ready sump suitable for mechanical filtration, skimmer, and refugium configurations

Included Features

The Red Sea Reefer 250 G3 reef aquarium system is supplied as a reef-ready base system, giving full freedom to customise lighting, filtration, and circulation equipment.

Included as standard:
• Ultra-clear rimless glass display tank
• Professional ReefMat-ready sump system
• Integrated ReefATO+ smart auto top-off preparation
• Complete G3 plumbing and overflow system
• Marine-spec cabinet with adjustable levelling feet

Not included (user-selectable):

• Lighting (LED fixtures optional)
• Return pump
• Protein skimmer
• Circulation pumps
• ReefMat / filter media

Warranty

The Red Sea Reefer 250 G3 reef aquarium is eligible for Red Sea’s extended warranty of up to 5 years when registered. The warranty covers manufacturing defects in materials and workmanship, subject to Red Sea’s registration requirements and usage terms.