Red Sea Reefer XL 300 G2+ Complete System – White (replaced with G3 model)

Red Sea Reefer XL 300 Complete System (80 Gal) – White

The Red Sea Reefer XL 300 Complete System is a premium 80-gallon reef aquarium designed for reef hobbyists who demand both aesthetics and good functionality. This advanced aquarium system features the ReefATO+, ultra-clear glass, a quality performing sump, and marine-spec cabinets, creating the ideal environment for a thriving reef ecosystem.

*PLEASE READ: New for 2025 Features and Benefits of the Reefer Complete System Series

Optional Lighting Bundle

• ReefLED G2 115 (New: replaced the ReefLED 90's)
• ReefLED 90 Universal Mounting Arm (Compatible)
• See bottom of the page for bundle pricing

Key Features of the REEFER G2+ Series

Red Sea’s REEFER G2+ series offers a lineup of cutting-edge aquarium systems with improved durability, smart water management, and precise engineering for a easy reef-keeping experience.

Advanced 3-in-1 ReefATO+ System

• Automatic Top-Off (ATO): Tops off your water for consistent water levels
• Temperature Monitor: Tracks temperature swings or fluctuations
• External Leak Detector: Gives you live-time alerts for added security

High-Quality Aquarium Build & Reinforced Cabinets

• Clear Glass: Rimless, smooth glass for increased clarity.
• Strong Plywood Cabinets: Reinforced and water-resistant for strength and durability
• Professional Design: Designed for long-term usage and stability.

Water Management & Plumbing

• Large Overflow Box: Maximizes surface skimming and reduces detritus.
• Dual Side-Facing Return Pumps: Improves circulation in larger models.
• Silent Downflow System: Enlarged inlets minimize turbulence and noise.
• High-Precision Valve: Allows for precise flow regulation.
• Pre-Assembled Piping: Includes extra bulkhead connector parts for easy customization.

Reef-Ready Sump – ReefMat Compatible

• Advanced Professional Filtration: Includes mechanical filtration with optional ReefMat 500 or 1200 compatibility.
• Adjustable Skimmer Chamber: Accommodates different skimmers for optimized performance.
• Bubble Trap Technology: Reduce microbubbles to keep water flow crystal clear.

Extended Warranty Protection

• 3-Year Warranty: Register within 90 days for free coverage.
• Optional 1-2 Year Extension

Specifications

• Display Tank Dimensions: 36"L x 22"H x 22.6"W
• Display Tank Volume: 65 Gallons
• Total System Volume: 80 Gallons
• Sump Volume: 15 Gallons
• Glass Thickness: 1/2" (Front, Side, Bottom)
• ATO Pump Power: 6-10W
• ATO Pump Max Flow: 75 GPH
• ATO Pump Max Head: 8ft

The Red Sea Reefer XL 300 provides a modern, efficient, and reef-ready solution for both beginner and advanced hobbyists. With its precise engineering, cutting-edge filtration, and high-end design, this system delivers a premium reef-keeping experience. Improve your marine setup today!