LifeRock Reef Forest Kit with Arches

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CaribSea's Reef Forest Kit provides you with a variety of LifeRock pieces and building rods to create the aquascape of your dreams. The base, 3 arches, and 3 spacers stack quickly to give you a three-dimensional design with plenty of negative space and a large surface area for corals and other inverts. It even has predrilled frag holes for easy placement, so you can set up something incredible in minutes with no cements or glue! Being modular, you can easily separate fighting corals and re-scape as needed, or just change things around for a new look whenever inspiration strikes.

LifeRock is infused with spored bacteria to aid in biological performance, along with millions of micro and macro passage ways CaribSea's LifeRock Dry Rock is perfect for the environmentally friendly aquarist.

  • Creates a mature looking reef instantly
  • 100% safe for all marine animals
  • Unique pieces
  • Environmentally friendly


CaribSea LifeRock is made of an aragonitic base rock, instead of the typical cement used by many other artificial rock creators. Every rock contains a network of micro and macro pores that intertwine within the rocks internal structure creating the perfect environment for natural nitrifying bacteria. LifeRock is manmade and does not affect our natural resources, making it the perfect option for all marine fish, invertebrates, and corals. 


Every LifeRock from CaribSea has an artificial coating and texture that mimics natural coralline algae after being in the ocean for years. Depending on the animals that you have in your aquarium, they may pick at the coating on the rocks which will not harm them at all, and over time live coralline algae will cover any spots on the rocks that may have had the coating picked off.


Shipping: All rock can be fragile. BRS makes every effort to securely pack any type of rock. However, we have no control how UPS handles it and it may break during shipping. Unfortunately, this is not covered by insurance so we are unable to replace broken pieces.

More Information
UPC 008479003638
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Product Questions

It may vary, but what would be the dimensions of this kit?
Question by: Melissa on Sep 21, 2022, 7:34 AM
As you said, it varies a bit but CaribSea advertises it will fill aprox. 22"x22"x22"
Answer by: William Reed (BRS Staff) on Sep 22, 2022, 9:45 AM
Can this rock be placed immediately into an established reef tank? I’m looking to make some major changes and a re-scape is quite possibly in the cards.
Question by: Jo Lo on Jul 21, 2022, 3:47 AM
Thanks for the question! Yes this rock can go into a display tank as there is no live stuff that'll be dead from tranist being a dry rock. Please let us know if we can help with anything else!
Answer by: Kyle Thomas (BRS Staff) on Jul 21, 2022, 8:15 AM
What is that total weight of the kit?
Question by: Jeff on May 21, 2022, 9:20 AM
Hey there,
Thank you for reaching out to us. This kit is roughly 36 pounds.

Please let me know if you need anything further and take care!
Answer by: Matt Lucero (BRS Staff) on May 23, 2022, 9:37 AM