REEFER 250 Aquarium provides advanced hobbyists with a solid foundation for building a fully featured reef or marine aquarium.
The REEFER series combines a contemporary, rimless, ultra-clear glass aquarium with a stylish cabinet and a comprehensive water management system, including a professional sump with integrated automatic top-up, and Red Sea’s unique silent down-flow system.
Innovative Designs
The crystal clear glass and elegant beveled edges and the slim overflow that houses all the drain and return plumbing to keep the water a constant level within the display tank and surface skimming while being super quiet and taking up a very small amount of real estate inside of the tank.
The dual drain design has one main drain that includes a diaphragm valve for easy tuning and adjustments. The other drain is completely open to flow directly down into the sump in the event that the main drain gets clogged.
FiltrationIntegrated Top Off
When water starts to evaporate all Reefer systems include an integrated top off system and reservoir that can hold a few days worth of top off water to keep the water level, salinity and flow rates consistent throughout the tank.
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| Specification | NANO | 170 | 250 | 350 | 450 | |
| Main Features | Ultra clear front and side glass |  |
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| Ultra clear front glass thickness (mm) | 8 (3/10”) | 10 (3/8”) | 12 (1/2”) | 12 (1/2”) | 15 (5/8”) | |
| Built in surface skimmer | |
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| Integrated automatic top up system | |
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| System Volumes | Display tank water volume (L) | 77 (21 gal) | 130 (34 gal) | 204 (54 gal) | 275 (73 gal) | 350 (92 gal) |
| In cabinet sump water volume (L) | 28 (7 gal) | 35 (9 gal) | 40 (11 gal) | 70 (18 gal) | 90 (24 gal) | |
| Total system water volume (L) | 105 (28 gal) | 165 (43 gal) | 244 (65 gal) | 345 (91 gal) | 440 (116 gal) | |
| RO reservoir volume (L) | 4.5 (1.2 gal) | 5.4 (1.5 gal) | 8 (2.1 gal) | 10.5 (2.8 gal) | 13.7 (3.6 gal) | |
| System Dimensions | Display tank length (cm) | 45 (18″) | 60 (24.5″) | 90 (35.5″) | 120 (47″) | 150 (59″) |
| Display tank height (cm) | 45 (18″) | 50 (20″) | 53 (21″) | 53 (21″) | 55 (22″) | |
| Display tank width (cm) | 45 (18″) | 50 (20″) | 50 (20″) | 50 (20″) | 50 (20″) | |
| Total system height with cabinet (cm) | 132 (52″) | 137 (54″) | 140 (55″) | 140 (55″) | 142 (56″) | |
| Sump Dimensions | Water height (cm) | 20 (8”) | 20 (8”) | 20 (8”) | 24 (9.4”) | 24 (9.4”) |
| Skimmer chamber (cm) | 24 x 21 (9.4”x8.3”) | 30 x 25 (11.8”x9.8”) | 35 x 25 (13.8”x9.8”) | 42 x 34 (16.5”x13.4”) | 42 x 48 (16.5”x19”) | |
| Pump chamber (cm) | 24 x 12 (9.4”x4.7”) | 30 x 12 (11.8”x4.7”) | 35 x 12 (13.8”x4.7”) | 42 x 15 (16.5”x6”) | 42 x 15 (16.5”x6”) | |
| Return Pump | 3/4” threaded hose barb – Pipe Int. Dia | 16mm (5/8”) | 16mm (5/8”) | 16mm (5/8”) | 16mm (5/8”) | 25mm (1”) |
| Recommended flow (lph) (pump not included) |
2000 (530 gph) |
2000 (530 gph) |
2500 (660 gph) |
3000 (790 gph) |
4000 (1060 gph |
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Return pump not included - We suggest either the Sicce Syncra Silent line of pumps or the Ecotech Vectra pumps.
Return Plumbing - 25mm
Main Drain - 32mm
Emergency Drain - 25mm
Note: All Red Sea Reefer Aquariums include a black interior finish, regardless of the exterior finish.
