REEFER 300 G3+ (79.3 Gal) - Red Sea
REEFER 300 G3+ (79.3 Gal) - Red Sea
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Red Sea Reefer 300 G3+ Reef-Ready Saltwater Aquarium
The Red Sea Reefer 300 G3+ is a reef-ready saltwater aquarium with a 65-gallon display and a 14.3-gallon sump, 79.3 gallons in the whole system. The display measures 35.4" L x 22.6" W x 21.7" H. The tank, cabinet, plumbing, ReefMat-ready sump, and ReefControl Lite are included. Lights, powerheads, the return pump, and a protein skimmer are not included, so you can choose your own. The cabinet is available in black or white.
- 65-gallon display, 14.3-gallon sump, 79.3 gallons total
- ReefControl Lite with automatic top-off, temperature monitoring, and leak detection
- ReefMat-ready sump and a ReefGate valve on the downflow
- Ultra-clear euro-braced glass and a marine plywood cabinet in black or white
The Red Sea REEFER G3+ is engineered for reefkeepers who demand uncompromised performance, whisper-quiet operation, and structural longevity. Designed as an open-format platform, the REEFER G3+ provides high-efficiency water management and marine-grade cabinet craftsmanship, allowing you to build, customize, and synchronize your dream reef system using Red Sea’s ReefBeat ecosystem.
Key Features & Technological Enhancements
1. Superior Hydrodynamics & Silent Downflow
- Up to 50% Higher Water Circulation: Fully redesigned flow geometry delivers optimized turnover rates while decreasing return pump energy draw.
- Enlarged Rectangular Downflow Inlet: Drastically minimizes surface turbulence and air entrapment for ultra-quiet sump drainage.
- ReefGate Precision Valve: High-precision, bespoke gate valve on the main downflow pipe allows micro-adjustments for silent, perfectly balanced operation.
- Dual Return Outlets: Upgraded nozzles and wider return piping (on larger models) improve internal circulation and eliminate dead zones.
2. Fortified Glass & Euro-Braced Structural Engineering
- Reinforced Ultra-Clear Glass: Constructed from ultra-clear, high-transmittance glass up to 19 mm (0.75 in) thick for true color representation without green tinting.
- Euro-Braced Strength: Models 425 and larger feature integrated euro-bracing for top-tier structural stability under high water mass.
3. Marine-Spec Laminated Cabinetry
- Heavy-Duty Construction: Built with water-resistant marine-spec plywood and epoxy-painted doors for long-term resistance to salt creep and humidity.
- Aluminum Framework: Models 625 and larger are reinforced with internal front aluminum support frames.
- Leveling System & Hardware: Includes stainless-steel hinges and heavy-duty adjustable leveling feet for precision alignment on uneven floors.
4. Reef-Spec Sump & Smart Integration
- ReefControl with ATO Module: Includes the ReefControl controller and ATO module, which hold the water level and salinity steady and monitor temperature and leaks. Reefer 200, 300, and Peninsula 350 include ReefControl Lite. Reefer 425 and larger include ReefControl Pro.
- ReefMat-Ready Mechanical Chamber: Removable filtration compartment seamlessly accommodates the Red Sea ReefMat automatic roller filter, or traditional micron filter socks and media cups.
- ReefBeat Ecosystem Integration: Fully compatible with Red Sea smart devices—including ReefLED lighting, ReefRun DC pumps, ReefWave gyres, and ReefDose pumps—controlled via the single ReefBeat app.
Technical Specifications Overview
| Reefer 200 G3+ | Reefer 300 G3+ | |
| Total system water volume | 52.8 gal | 79.3 gal |
| Display tank water vol. | 41.7 gal | 65 gal |
| In-Cabinet sump water vol. | 11.1 gal | 14.3 gal |
| Display tank Length | 23.6 " | 35.4 " |
| Display tank width | 22.6 " | 22.6 " |
| Display tank height (excluding light unit) | 20.9 " | 21.7 " |
| Total system height (excluding light unit) | 55.1 " | 55.9 " |
| Ultra-clear front glass | 0.39 " | 0.47 " |
| Ultra-clear side glass | 0.47 " | 0.47 " |
| Bottom glass | 0.39 " | 0.47 " |
| Back glass thickness | 0.31 " | 0.39 " |
| Rim type | Euro brace | Euro brace |
| ReefLED advanced light system | Not included | Not included |
| Water circulation | Not included | Not included |
| Main system pump | Not included | Not included |
| Hydrodynamic piping with Gate valve | Included | Included |
| Protein Skimmer | Not included | Not included |
| ReefMat / NanoMat | Not included | Not included |
| ReefControl kit included | Yes | Yes |
| ReefControl Ready | ReefControl Ready (included) | ReefControl Ready (included) |
| Slide out control panel | Not included | Not included |
