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300 Litres Total Volume
90 x 57.5 x 55cm + 87cm
12mm Ultra Clear Glass

Designed as the perfect reefscaping canvas, REEFER G2 tanks combine REEF-SPEC infrastructure with the freedom to install all your preferred hardware.

REEFER G2 systems come with a new and improved water management system, extra-fortified cabinets and aquariums, ReefMat & refugium ready sumps, extended warranty plans, and are available in a wide variety of sizes, to fit any space.

REEFER G2 systems are also the ideal platform for the full “Red Sea Experience”, combining our LED lighting, wave pumps, dosers, and filtration devices into one smart, synchronized eco-system operated via the ReefBeat App.

1. Rimless ultra-clear glass



REEER G2 aquariums are rimless, and constructed from ultra-clear, beveled-edge glass with increased thickness of up to 19 mm or 0.75”.

2. Extra fortified plywood cabinet

The marine-spec laminated cabinets follow the contour of the glass, and are now all fortified and made of plywood. The “floating tank” feature is now reinforced with front aluminum supports on all REEFER 625 G2 models and bigger.

3. Dual return pump outlets

All REEFER 350 G2 models and bigger now have dual side-facing return pump outlets, creating an even better water distribution.


4. Surface skimmer

The piping is hidden inside a large central overflow box, which has a large surface skimmer with removable comb parts, for easy cleaning.

5. Silent downflow system

The enlarged rectangular inlet to the downflow pipe reduces turbulence, making it easier to regulate.


6. Assembly-ready piping

All pipes are preformed with quick connectors at all joints (no gluing required). Bulkhead connectors suitable for both Metric and USA standard pipes can be purchased separately, allowing you to customize your sump piping.

7. High precision valve

All models now have a new and improved high precision valve on the downflow pipe, allowing for easy regulation of the flow and a near silent operation.

8. Professional REEF-SPEC sump

The professional sump includes a mechanical filtration media compartment (with micron filters & filter cups), which is easily removable, an optional refugium compartment, an adjustable height skimmer chamber for optimal skimmer performance, and a bubble trap to prevent air bubbles from returning to the aquarium.

9. ReefMat & Refugium

Plug & Play instalation for ReefMat 500/1200, together with Refugium.

10. ReefMat & Reservoir

Plug & Play instalation for ReefMat 500/1200, together with RO reservoir.

11. Chiller & hardware chamber

Most models come with an additional chamber that can be used for a chiller, controllers and other equipment.


ReefMat Ready!

Deluxe version incorporates 2 x ReefLED 90 lighting units with mounting arm.

Reef-safe lighting


Optimal coral growth

At surface level

Available in black or white.