REEFER 425 Aquarium G3 White (91 Gal)
$3,499.00
in stock
UPC: 730773451470
This Red Sea REEFER 425 G3 in White Aquarium gives reefkeepers a bright, seamless display with quiet plumbing and a sump built for future upgrades. It’s a polished, long-lasting foundation for anyone building a serious reef system.
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REEFER 425 G3 White – Modern Reef System with Smart Engineering
The REEFER 425 G3 White blends clean aesthetics with dependable engineering, giving reefkeepers a strong foundation for a long-term display. Built with Red Sea’s ultra-clear, beveled glass and matched to a bright, marine-spec cabinet, this system offers crisp viewing and reliable performance straight out of the box. Everything is streamlined—hidden plumbing, quiet drainage, and a sump layout that supports both basic and advanced filtration choices.Display Built for Sharp Color and Long-Term Durability
The REEFER 425 G3 uses low-iron glass and reinforced eurobracing to keep the display rigid while maintaining a sleek, open look. The white stand elevates the entire presentation, giving the tank a bright, clean feel that blends easily into modern living spaces. A slim, black overflow box keeps lines neat and gives livestock uninterrupted swimming room.Sump Layout Ready for ReefMat & REEFER DC
The included sump is designed for easy access, smooth water movement, and compatibility with Red Sea’s upgrades. Many hobbyists pair this model with a ReefMat 500 and a REEFER DC 600 Skimmer, though the layout also works well with alternative equipment. The glass baffles and dedicated sections keep maintenance simple as your system matures.| REEFER 350 G3 | REEFER 425 G3 | REEFER 525 G3 | REEFER 625 G3 | |
| Total system water volume | 90.3 gal | 114.4 gal | 142.7 gal | 163.8 gal |
| Display tank water vol. | 72.1 gal | 90.6 gal | 111.7 gal | 131.3 gal |
| In-Cabinet sump water vol. | 18 gal | 24 gal | 31 gal | 32 gal |
| Display tank Length | 47.2 " | 47.2 " | 59.1 " | 59.1 " |
| Display tank width | 19.7 " | 23.6 " | 23.6 " | 25.6 " |
| Display tank height (excluding light unit) | 20.9 " | 21.7 " | 21.7 " | 23.6 " |
| Total system height (excluding light unit) | 55.1 " | 55.9 " | 55.9 " | 58.3 " |
| Ultra-clear front glass | 0.47 " | 0.47 " | 0.59 " | 0.75 " |
| Ultra-clear side glass | 0.59 " | 0.59 " | 0.59 " | 0.75 " |
| Bottom glass | 0.47 " | 0.47 " | 0.59 " | 0.59 " |
| Back glass thickness | 0.47 " | 0.47 " | 0.59 " | 0.75 " |
| Rim type | Rimless | NEW! Euro Brace | NEW! Euro Brace | NEW! Euro Brace |
| ReefLED advanced light system | DLX Version 2 Units (RL G2 115) (optional) | DLX Version 2xRL G2 115 or 2xRL G2 170 (optional) | DLX Version 3xRL G2 115 or 2xRL G2 170 (optional) |
DLX Version 3xRL G2 115 or 2xRL G2 170 (optional)
|
| Water circulation | Not included | Not included | Not included | Not included |
| Main system pump | Not included | Not included | Not included | Not included |
| NEW! Hydrodynamic piping with Gate valve | X | X | X | X |
| Protein Skimmer | Not included | Not included | Not included | Not included |
| ReefMat / NanoMat | Not included | Not included | Not included | Not included |
| ReefATO+ kit included | Yes | Yes | Yes | Yes |
| ReefATO+ Ready | ReefATO+ Ready (included) | ReefATO+ Ready (included) | ReefATO+ Ready (included) | ReefATO+ Ready (included) |
| Slide out control panel | Not included | Not included | Not included | Not included |
Plumbing That Runs Quietly from Day One
No glue, no guesswork. The G3 plumbing arrives prepared for quick assembly, and the updated layout uses fewer bends to help maintain steady flow. The ReefGate flow valve makes fine-tuning the downpipe straightforward, helping reduce noise and keep water movement consistent.ReefATO+ Included for Smarter Stability
Every REEFER 425 G3 comes with the ReefATO+, Red Sea’s all-in-one top-off, temperature-monitoring, and leak-detection system. Dual-stage water level protection Pre-calibrated temperature sensor (±0.1° accuracy) Titanium leak probe, resistant to both RO/DI and saltwater Full control and notifications through the ReefBeat App It’s an essential stability upgrade already built into the system.REEFER 425 G3 White – System Specifications
Display Dimensions: 47.2" L × 23.6" W × 21.7" H Total System Height: 55.9" Display Volume: 90.6 gallons Total Volume: 114.4 gallons Sump Volume: 24 gallons Glass Thickness: Front/Bottom: 0.47" Sides: 0.59" ReefATO+ Pump: Flow: 75 GPH Max Head: 8 ft Power: 6–10 watts Note: The ReefATO+ is not intended for freshwater aquariums.Included with the 425 G3 White
REEFER 425 G3 Aquarium White Marine-Spec Cabinet Glass Sump with Pre-Assembled Plumbing ReefATO+ Auto Top Off System 5-Year Manufacturer Warranty (3 years + 2 upon registration)Connect With Fellow Reefers
- Behind-the-scenes on Instagram
- Community polls on Facebook
- Quick looks on TikTok
- Q&A on Reef2Reef Profile
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