Shapes LifeRock Dry Live Rock

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Arches & Tunnels

LifeRock is infused with spored bacteria to aid in biological performance, along with millions of micro and macro passage ways CaribSea's Shapes Dry Live 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.

Every box of Shapes LifeRock contains a mixture of arches, rings, and tunnels giving you unique looking pieces that can be used on their own or as accents to the rest of the aquascape. 


How many pieces are In each box?

On average 4 pieces are included in every box of LifeRock Shapes Dry Live Rock

How big are the pieces?

Pieces range from large softball sizes up to full-size footballs

Can I request specific shapes and sizes?

Unfortunately, we are unable to take requests for specific shapes and sizes for CaribSea LifeRock.

How much rock do I need?

Knowing exactly how much Dry Live Rock you will need can be one of the hardest questions to answer since every tank and rock will be slightly different. A general guideline for dry Live Rock, we suggest 1 pound of rock per gallon of display tank volume and may vary depending on your overall goal for the aquascape. We always recommend purchasing a little extra dry rock to ensure that you will have enough to complete the aquascape you are looking for, any extra rock can always be broken up and placed in your refugium, overflows, and sump for added filtration.


What's Included?

20lbs CaribSea LifeRock Shapes 


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 008479003812
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Product Questions

About how many lbs comes in this kit ?
Question by: Sean on Dec 27, 2023, 12:04 AM
This comes with 20 lbs of rock.
Answer by: JJ K (BRS Staff) on Feb 8, 2024, 12:29 PM
Is there a cure time for this type of rock? If so, please elaborate on it. Thanks!
Question by: Dino Dotsikas on Jul 27, 2017, 1:42 PM
Hey there,
Thanks for getting in touch with us in regards to LifeRock. We recommend that you cure all dry rock, but in this case its much less necessary and is more to make sure any particulates that may have gotten onto the rock in shipping are rinsed off. The "curing process" for this is more just allowing time to get a biological mass growing on the rock work before adding it into your tank. I would think you would be safe after about one week to get the aquarium going with the rock and a small fish to really start the cycle in the tank. Please let us know if there is anything else that we can assist with. Thanks!
Answer by: Tyler Schafer on Aug 1, 2017, 11:50 AM