MR Coralline Rock (20lb Box)

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$72.93 $85.80

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Reef Saver Rock with a Brilliant Coralline Look

  • Zero negative impact to marine environments
  • Naturally pest free
  • Each piece is uniquely shaped for easy aquascaping
  • Calcium based for excellent buffering capacity


This new Coralline-colored rock features all the classic benefits of Marco Rocks' Reef Saver Rock while now offering that instant aesthetic appeal that closely resembles Coralline covered live rock. It features the same porosity which means no negative impact to the biological capabilities. No paint is used! The proprietary process uses an organic pigment that is 100% reef safe. Even better is that MR Coralline Rock can easily be mortared together using E-Marco 400 (coralline color). Alternatively, MR Coralline Rock can also be bonded with Super Glue gel.

Because this rock isn't harvested from the ocean and arrives dry, it's 100% free of nuisance algae, aiptasia, parasitic isopods, mantis shrimp, acro eating flat worms, and other common saltwater aquarium pests. Like the original MarcoRocks Reef Saver rock, Coralline Rock comes in unique shapes that fit well together to make interesting and unique structures.


What's Included?

(1x) 20lb Box of MR Coralline Rock


Shipping: BRS makes every effort to securely pack the rock, however, shipping is not always gentle on heavy products like this. Because of this, we are unable to replace or refund broken pieces. If this happens, most pieces can be easily repaired with epoxy, super glue gel, or mortar.

More Information
UPC 682863131710
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Product Questions

How many rocks come in the box?
Question by: Calla Augustyniak on Nov 24, 2023, 7:46 PM
There are typically 2-5 rocks equaling 20 lb in this box.
Answer by: Laura (BRS Staff) on Feb 6, 2024, 10:11 AM
Can you add live Corals to these MR Coralline Rock ? Thank you for your time. Ronnie
Question by: Ronnie James on Aug 13, 2023, 5:33 PM
Hey there,
Thank you for reaching out to us. Yes, you can.

Please let me know if you need anything further and take care!
Answer by: Matt Lucero (BRS Staff) on Aug 16, 2023, 8:16 AM