Reef Rax

Purple Nano Corner Magnetic Frag Rack

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Hold up to 8 frags with the Nano Corner Shelf Magnetic Frag Rack on tanks up to 1/4" thick. Reef Rax Frag Racks mount to your aquariums glass or acrylic with their strong reef safe magnets that can be placed almost anywhere in your tank. 

Dimensions - 5.5" L x 4.5" W x 2.625" H

  • No curing required
  • Doesn't leach
  • Coated reef-safe magnets
  • Multiple colors and shapes


Traditional coral frag holders are designed for frag tanks and made of egg crate, and if you ever put one in your display tank, they are an instant eyesore. Reef Rax has produced custom molds that simulate real live rock structures and textures at a fraction of the weight. 

Reef Rax Nano Corner Shelf is made of a highly porous resin structure that is almost buoyant when it is first placed in your tank. The neutral buoyancy greatly helps with its ability to hold heavy frag plugs and large frags of coral. Each rack includes reef safe magnets that can support the Nano Corner Shelf on tanks up to 1/4" thick.


Nano Corner Shelf

The Corner Shelf version is perfect for the corner of your aquarium. Their overall shape fits well into the corner of any tank while keeping an organic shape and feel. 


Coralline Purple Color

Reef Rax custom purple coloration resembles coralline encrusted live rock and is the perfect addition to any seasoned aquascape. Over time additional coralline algae will encrust the rack creating beautiful purple tones adding to the color depth. If you have a new aquascape with dry live rock we suggest looking into the Grey Reef Rax.



Dimensions - 5.5" L x 4.5" W x 2.625" H

Frag Hole Size - 0.45" diameter

Number of Holes - 8*

Max Tank Thickness - 1/4"


What's Included?

1x Reef Rax Nano Corner Shelf Frag Rack

2x Magnet Assemblies


*Number of holes may vary depending on hole position and overall structure.

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Product Questions

Can the outside magnets be placed in the water to be able to place this on the overflow?
Question by: Dustin Burtner on Dec 22, 2022, 5:35 PM
Yes, these magnets are fully encased and reef safe.
Answer by: William Reed (BRS Staff) on Dec 30, 2022, 1:07 PM