LifeRock Dry Live Rock

Grouped product items
20 Lbs LifeRock Dry Live Rock

SKU: 211232

In stock

$118.98 $118.98

- +
40 Lbs LifeRock Dry Live Rock

SKU: 211231

In stock

$212.12 $212.12

- +

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.


How many pieces are In each box?

On average 5-7 peices per 20 pounds.


How big are the pieces?

Sizing can range from 8" up to 14" in diameter


Can I request specific shapes and sizes?

Unfortunately, we are unable to take requests for specific shapes and sizes for CaribSea LifeRock. If you are looking for something very particular we suggest checking out BRS Reef Saver Rock.


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?

CaribSea Original LifeRock 


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.

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Product Questions

Do the bacteria on these products work in cold water systems (40-50F)?
Question by: Lauren on Dec 12, 2023, 1:40 PM
Hi there, yes cold water would not affect the bacteria growth within the rocks.
Answer by: Grace (BRS Staff) on Feb 1, 2024, 4:20 PM
Do these rocks come pre-drilled so that the dowel rods available to be purchased can be used?
Question by: Zack Arnett on May 22, 2023, 6:19 PM
Hey there,
Thank you for reaching out to us. These do not come drilled.

Please let me know if you need anything further and take care!
Answer by: Matt Lucero (BRS Staff) on May 26, 2023, 9:36 AM
Does this rock need to be cured? I am looking for rock to add to my sump for a tank that has been up a few years (slowly took the rock out of sump to add to other nano tanks).
Question by: Richard Szanto on Sep 12, 2020, 3:36 PM
It does not need to be cured.
Answer by: Matt Lucero (BRS Staff) on Nov 5, 2021, 9:57 AM