Red Sea REEFER S-850 G3 Aquarium System (180 Gallons)

The Red Sea REEFER S-850 G3 is a 180 gallon advanced reef aquarium system designed for serious reef keepers who want professional performance, smart control, and modern aesthetics. Combining Red Sea’s precision engineering with G3 innovations, the S-850 G3 delivers a complete foundation for a large, thriving reef display.

Constructed from 19 mm ultra-clear glass and supported by a heavy-duty marine-grade aluminum frame, the REEFER S-850 G3 offers exceptional strength, clarity, and stability. The included high-capacity sump is pre-plumbed and ReefMat-ready, making installation quick and maintenance easy. Every component is designed for quiet operation, efficiency, and seamless integration with Red Sea’s ReefBeat ecosystem.

Key Features  
Total System Volume: 180 gallons (680 liters)  
Display Tank Volume: 150 gallons (570 liters)  
Sump Volume: 30 gallons (110 liters)  
Dimensions: 71 inches long × 26 inches wide × 25 inches tall  
Glass Thickness: 19 millimeters ultra-clear glass  
Stand Height: 36 inches  
Marine-grade aluminum cabinet with powder-coated finish  
Silent downflow system with precision valve  
ReefMat-ready sump compatible with ReefMat 1200  

Included Equipment  
ReefATO+ automatic top-off system  
ReefRun 9000 DC return pump  
Pre-plumbed sump with advanced filtration layout  
Integrated control panel for ReefBeat App connectivity  
Soft-close doors and marine-spec hardware  

Lighting and Control Highlights  
Designed for ReefLED 170 or 230 lighting systems (sold separately)  
Smart automation and monitoring via the ReefBeat App  
Energy-efficient DC return pump with quiet performance  
Cable management channels for a clean professional look  

Why Choose the REEFER S-850 G3  
Professional-grade reef system built for large aquariums  
Premium materials and engineering for long-term durability  
Fully compatible with ReefMat, ReefATO+, and ReefRun devices  
Quiet, efficient, and easy to service  

The REEFER S-850 G3 delivers Red Sea’s renowned quality and automation in a system that combines functionality with beauty — perfect for high-end home or commercial reef installations.

Available now at Blue Earth Aquariums in West Palm Beach.  
Local delivery and installation available upon request.