Octo Fracks (Frag Racks)

(25 customer reviews)




Back in 2010 I first developed a technology to lock frag plugs in place – I called it Hydra-Loc™.  I stopped making my racks with Hydra-Loc™ due to cost and time that was involved however, I’ve decided to bring it back once again.  Hydra-Loc™ comes with all of my black and black with Gaudy Glo™ frag racks, not available for my clear racks.

  • Fits all common size frag plug posts.
  • All materials are food grade/reef safe.
  • Custom sizes also available.
  • I can also make racks that sit on the bottom of your tank.
  • Number of frags per rack will vary depending on total weight.
  • Gaudy Glo™ feature is only available with black racks.

Approx dimensions:
12×5 – 12″ x 5″
6×4 – 5.5″ x 3.5″
Nano Duo – 6.5″ x 2.5″
Nano – 5.5″ x 1.5″
Mini Double – 2″ x 1.5″
Mini Single – 2″ x 1.5″


I use N52 neodymium magnets. Rare earth magnets are not reef safe on their own, so I fabricate custom acrylic pods that encapsulate the magnets and keep them away from your water. Please visit the magnet warning page for more information on these magnets.


My products are made to order, custom! Please allow up to 10 business days for fabrication time for most products. Because my products are made to order, fulfillment time can rarely take longer. Full custom orders can take up to four weeks to complete. Please let me know ahead of time if this may be an issue. Shipping prices listed are to the contiguous U.S. Please contact me if you live elsewhere and want a shipping quote. Because my products are handmade and/or hand assembled, there may be small irregularities (fingerprints, marring, hair, etc) which will not effect the performance of your product.

Plastics are fragile which can break and scratch easily. Always handle with care. Surface can be cleaned with a very diluted soapy water mixture and a soft microfiber cloth.

This product is warranted to be free of defects for the lifetime of the product. We will, at my discretion, repair or replace your product at no charge during this period (See the Warranty page for more info.)

Additional information


12 x 5, 6 x 4, Nano, Nano Duo, Mini (2 holes), Mini (1 hole)

Tank Thickness

Up to 1/2”, Up to 3/4”


Black, Clear

Gaudy Glo

NA, Red, Green

25 reviews for Octo Fracks (Frag Racks)

  1. Thomas S. (verified owner)

  2. Christopher Guerra (verified owner)

    Great product this is my second one

  3. Christopher Guerra (verified owner)

    Great product

  4. Glen W. (verified owner)

    Excellent holding power! Plenty of room for medium to large frags. Will buy the non slot version next!

  5. Jason F. (verified owner)

    Excellent quality and customer service. Will definitely buy from OA again.

  6. Randy (verified owner)

    you will not regret buying this! A+ quality thank you

  7. Alex S. (verified owner)

    Looks great and the magnets are plenty strong!

  8. Anonymous (verified owner)

    Great product! Shipment process was smooth and packaged very nicely.

  9. Max (verified owner)

    My nano frag rack is great, the magnets will actually handle the hefty frags I’ll put on it unlike other racks I’ve used that fall over just with the weight of the frag plugs. Thanks!

  10. Kimberly (verified owner)

    It is easy for me to say that my frag rack looks great & is of excellent quality!

  11. Jamie Martin (verified owner)

    Excellent build quality. The magnets are SO STRONG, not easy to move without getting your hands in the tank, but if you want a frag rack that sticks like its bolted into a stud. This is it!

  12. Alan K. (verified owner)

    As with all Octo products, excellent workmanship and best in the industry, extra strong magnets!

  13. Garrett (verified owner)

    Very nice work!

  14. Daniel (verified owner)

    very nice

  15. Van S. (verified owner)

    Very good quality. Holds rock solid.

  16. Garrett G. (verified owner)

    Excellent duo row frag rack. Matt went above and beyond making sure my order arrived quickly and in perfect condition.

  17. Hasan S. (verified owner)

    I was having trouble finding a frag rack with magnets strong enough to hold on 3/4 inch glass. This fit the bill and looks pretty stylish too (I ordered the black rack with the neon green).

  18. Shawn Maybee (verified owner)

    I have two octo frag racks and they the best I have seen especially for the price. I will never own another, the magnets are very strong. Customer service is icing on the cake

  19. Ted P. (verified owner)

    Awesome product – best $25 spent on reefing so far.

  20. Max M. (verified owner)

    I just got my second frag rack. I had decided I wasn’t going to use a magnet rack again after trying a few other brands and always having issues with my frags becoming too heavy and making the shelf drop, but these octo frag racks have the awesome octo magnet and I don’t have to worry about them falling.

    My frag plugs fit well

    I won’t get a different magnet frag rack. Thanks Matt!

  21. Ryan F. (verified owner)

    Quality made as usual

  22. Jill W. (verified owner)

    Fantastic frag rack. Doesn’t fall off when I bump into it while cleaning the glass.

  23. Olesya (verified owner)

    Simple clean design love it, strong magnet for 3/4″ glass. Love all products that I purchased from Octo 😉

  24. David (verified owner)

    Matt’s products are always A+

  25. Joshua (verified owner)

    Worth every penny. Top notch quality and looks gorgeous in my tank.

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