Red Sea Reefer G2+ XL 300 Complete System – Black (65 gallons)

Name: Red Sea Reefer G2+ XL 300 Complete System - Black (65 gallons)
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The Reefer G2+ XL 300 Complete System in black is a top-of-the-line aquarium system that includes a glass aquarium, sump filtration system, LED lighting, and silent overflow system.

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Red Sea Reefer XL 300 Complete System – Black

The Red Sea Reefer XL 300 Complete System – Black delivers a premium reef-keeping experience with cutting-edge design, enhanced water management, and professional-grade filtration. Designed for customization, it provides reef enthusiasts the freedom to build their dream aquarium using their preferred equipment.

Advanced Features of the Red Sea Reefer XL 300 G2+

The REEFER G2+ series offers a complete reef-ready system with advanced infrastructure, optimized filtration, and smart automation.

Key Features:

3-in-1 ReefATO+ System – Includes an automatic top-off (ATO), a temperature monitor, and an external leak detector for added safety.
Ultra-Clear Rimless Glass – Beveled edges and increased glass thickness enhance durability and viewing clarity.
Reinforced Marine-Spec Cabinet – Water-resistant laminated plywood with additional aluminum support (for larger models) ensures a sturdy foundation.
Optimized Water Flow – Dual side-facing return pump outlets improve circulation (included in 350 G2+ models and above).
Large Central Overflow Box – Conceals plumbing while offering a large surface skimmer with a removable weir comb for easy cleaning.
Near-Silent Downflow System – A newly designed rectangular inlet reduces turbulence for quieter operation.
Customizable Plumbing – Extra bulkhead connectors accommodate both Metric and USA-sized plumbing.
Precision Flow Control – The new high-precision valve allows easy tuning of water flow for better stability.

*PLEASE READ: New for 2025 Features and Benefits of the Reefer 300 G2+ Complete System Series

Optional Lighting Options

ReefLED G2 115 (Replaced the ReefLED 90 lights)
ReefLED 90 Universal Mounting arm (Compatible)
See bottom of the page for the Kit Pricing

ReefATO+ – More Than Just an ATO

Every Red Sea Reefer XL 300 G2+ includes the ReefATO+, an advanced automatic top-off system that ensures consistent water levels while offering real-time monitoring and safety features.

ReefATO+ Key Benefits:

Accurate Digital Temperature Monitor – Displays water temperature with 0.1-degree accuracy.
Leak Detection System – Triggers audible alarms to prevent water damage.
Advanced Water Level Sensor – Uses a titanium probe for precise water level monitoring.
Smart Controller with ReefBeat Integration – Tracks water level, temperature, and potential issues via the ReefBeat app.
Built-in Safety Shutoffs:
- Prevents operation when the sensor is disconnected.
- Stops the pump if it runs dry.
- Halts operation if a leak is detected.
- Shuts off if the pump runs longer than expected.
Compact & Powerful Pump – A 1.8" diameter pump fits in most ATO reservoirs, delivering reliable performance.

Ultra-Clear Glass & Marine-Spec Cabinetry

The REEFER G2+ series features rimless, ultra-clear, beveled-edge glass with thicknesses of up to 19mm, ensuring durability and a crystal-clear view of the tank’s inhabitants.

Cabinet Highlights:

Water-resistant marine-spec laminated plywood for long-term durability.
Contour-designed cabinetry follows the shape of the tank for a seamless fit.
Larger models include an aluminum "floating tank" support for extra strength.
Adjustable leveling feet and stainless-steel hinges ensure a precise and stable setup.

Enhanced Water Management & Plumbing

Optimized water circulation ensures a healthier reef environment with minimal noise and turbulence.

Water Management Features:

Dual Return Pump Outlets – Increases flow efficiency and reduces dead zones (available in models 350 G2+ and up).
Large Overflow Box with Concealed Plumbing – Includes an easy-to-clean weir comb for improved surface skimming.
Precision Flow Control Valve – Allows fine-tuning of water flow for better consistency.
Quiet Operation – Enlarged, rectangular downflow inlet reduces turbulence and noise.

Reef-Ready Sump with ReefMat Compatibility

The REEFER G2+ sump improves mechanical and biological filtration with a modular design that adapts to different setups.

Sump Features:

Mechanical Filtration Chamber – Includes micron filter socks and filter cups to remove debris before it reaches the pumps.
Adjustable Height Skimmer Chamber – Ensures stable water levels for skimmer efficiency.
Bubble Trap – Prevents microbubbles from entering the main display tank.
ReefMat Compatibility – Supports the ReefMat 500 or 1200 Auto Filter Roller (sold separately) with no modifications needed.
Extra Equipment Chamber – Additional space for chillers, controllers, or reactors (available in most models).

Red Sea Reefer XL 300 Extended Warranty Protection

Every REEFER G2+ aquarium includes a 2-year standard warranty. Customers who register their system within 90 days of purchase receive a free upgrade to a 3-year warranty. Additionally, optional 1-2 year extended protection plans are available, providing up to 5 years of coverage for long-term peace of mind.

Specifications – Red Sea Reefer XL 300 G2+

Tank & System Dimensions:

Display Tank Dimensions: 36"L x 22"H x 22.6"W
Display Tank Volume: 65 Gallons
Total System Volume: 80 Gallons
Total System Height: 56"
Sump Volume: 15 Gallons

Glass Thickness:

Front Glass: 1/2"
Side Glass: 1/2"
Bottom Glass: 1/2"

Auto Top-Off (ATO) System:

ATO Pump Power: 6-10W
ATO Pump Max Flow: 75 GPH
ATO Pump Max Head: 8 ft

Build Your Dream Reef Tank with the Red Sea Reefer XL 300

The Red Sea Reefer XL 300 G2+ offers unparalleled flexibility, allowing hobbyists to customize their setup while benefiting from advanced water management, high-end filtration, and premium build quality. Whether you’re an experienced aquarist or upgrading from a smaller system, this fully-equipped reef-ready tank provides the ideal foundation for a thriving marine ecosystem. Upgrade your reefing experience with the REEFER XL 300 G2+ and enjoy better stability, quieter operation, and hassle-free maintenance! 🚀

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