Fiji Cube

Advanced Hang On Back Refugium - Medium - Fiji Cube (DISCONTINUED)

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The perfect way to add a refugium to any sumpless aquarium!

Refugiums can add a convenient and natural way to grow various types of macroalgae, which can significantly decrease dissolved wastes which might lead to algae blooms. At the same time, these small refugiums also provide a safe-haven for desirable copepods amphipods to feed and reproduce, and this can create a renewable source of food for fish and invertebrates in the display. Fiji Cube's compact refugiums create the perfect environment for cultivating algae and copepods, with a unique baffle system that provides gentle flow-through to deliver the nutrients the organisms need while avoiding excess currents. Refugiums can also be a way to safely introduce new fish or coral to the tank while giving them a place to feed and acclimate to the water conditions.


The Fiji Cube Advanced Hang On Back Refugium Box features full brace support to prevent bowing. The unique hanging bracket system provides a robust and secure mount to your aquarium for extra safety. The brace design also features test probe and dosing tube holders to make the aquarium system complete.



  • Compact and robust hang-on design
  • Full top brace support
  • Spacious chamber design for refugium, segregation or acclimation purposes
  • Probe and dosing tube holders
  • Full cast acrylic for extra strength
  • Polycarbonate cover
  • Removable refugium light support
  • Efficient and powerful pump



Dimensions: 8"L x 5"W x 12"H

Distance Between Hanging Arms: 8"


What's Included?

  • Medium Fiji Cube Advanced Refugium Body
  • Polycarbonate Lid
  • Feed Pump
More Information
Product Name Advanced Hang On Back Refugium - Medium - Fiji Cube (DISCONTINUED)
SKU 213030
Out of stock message DISCONTINUED
UPC 761856629974
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Product Questions

Will this fit behind the Red Sea max nano in the middle chamber, if you take out the everything
Question by: Luke Pham on Mar 19, 2022, 6:32 AM
Hey Luke, thanks for the question! Red Sea does not provide the dimensions for that specific chamber. That said I would guess this will fit across the back of the tank. You can always double check with them as well.
Answer by: James Johnson (BRS Staff) on Mar 23, 2022, 2:38 PM
How Many gallons is the refugium?
Question by: Edward Bibber on Feb 21, 2022, 2:26 PM
2 gallons
Answer by: Chad (BRS Staff) on Mar 4, 2022, 9:21 AM
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