---
product_id: 14241074
title: "CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability"
brand: "carib sea"
price: "543 kr"
currency: DKK
in_stock: false
reviews_count: 8
url: https://www.desertcart.dk/products/14241074-caribsea-liferock-base-rock-40-lbs-natural-aragonite-rock-custom
store_origin: DK
region: Denmark
---

# Safe for All Aquatic Life Enhanced Porosity with Beneficial Bacteria 100% Natural Aragonite Base CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability

**Brand:** carib sea
**Price:** 543 kr
**Availability:** ❌ Out of Stock

## Summary

> 🪸 Elevate your aquarium’s ecosystem with nature’s own bio-rock!

## Quick Answers

- **What is this?** CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability by carib sea
- **How much does it cost?** 543 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/14241074-caribsea-liferock-base-rock-40-lbs-natural-aragonite-rock-custom)

## Best For

- carib sea enthusiasts

## Why This Product

- Trusted carib sea brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Generous 40 Lb Bulk:** Ample volume to build stunning reefscapes or naturalistic aquascapes with ease and style.
- • **Bio-Boosted Porosity:** Macro and micro-porous structure infused with spored bacteria for superior biological filtration.
- • **Pure Aragonite Power:** No cement, no curing—just natural rock ready to elevate your aquarium’s ecosystem instantly.
- • **Aquatic Life Friendly:** Guaranteed safe for fish, invertebrates, and all aquatic species—create a thriving underwater habitat.
- • **Unique Coral Aesthetic:** Each piece is color-matched to real coralline algae, adding authentic vibrancy and texture.

## Overview

Bulk 40 Lb Life Rock by Caribsea is a premium natural aragonite base rock designed for aquarium enthusiasts seeking optimal biological performance. Featuring enhanced porosity enriched with beneficial spored bacteria, it supports superior filtration and a healthy aquatic environment. Safe for all fish and invertebrates, each unique piece is color-matched to real coralline algae, delivering both function and authentic reef aesthetics.

## Description

CaribSea LifeRock Base Rock is a natural aragonite rock designed to create beautiful, stable aquascapes in marine and reef tanks. With realistic textures, this rock allows aquarists to design custom reef structures such as caves, ledges, and overhangs without the need for glue or adhesives. The porous surface provides secure attachment points for coral frags, helping promote healthy coral growth in a thriving reef environment. Made from pH-stable aragonite, LifeRock Base Rock will not alter your aquarium’s water chemistry or release harmful substances, making it a safe and reliable choice for marine aquariums. Its lightweight yet durable composition allows for easy stacking and arrangement, giving aquascapers the flexibility to build visually appealing underwater landscapes. Perfect for custom reef structures, this rock enhances both the beauty and stability of your aquarium, making it ideal for beginners and experienced reef keepers alike.

## Features

- Natural-Looking Aragonite Rock: CaribSea LifeRock Base Rock replicates real reef rock, providing a realistic foundation for marine and reef aquariums.
- Easy Aquascaping Setup: Designed for quick assembly, this rock lets aquarists build custom formations without glue or adhesives, making it hassle-free.
- Supports Coral Attachment: The porous and textured surface offers secure attachment points for coral frags, helping to create a thriving and visually dynamic reef environment.
- Safe for Marine Tanks: Made from pH-stable aragonite-based material, this rock does not alter water chemistry, ensuring a safe habitat for marine species.
- Perfect for Custom Reef Structures: Ideal for creating caves, ledges, and other reefscapes, providing endless possibilities for creative aquascaping.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Gray |
| Item Dimensions L x W | 35"L x 35"W |
| Item Weight | 10 Pounds |
| Size | 40-Pound |

## Product Details

- **Size:** 40-Pound
- **Color:** Gray
- **Brand:** Carib Sea
- **Product Dimensions:** 35"L x 35"W
- **Item Weight:** 10 Pounds
- **Age Range (Description):** All Stages
- **Special Feature:** Rock
- **Global Trade Identification Number:** 00008479003768
- **Item Form:** Stick
- **UPC:** 008479003768

## Images

![CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability - Image 1](https://m.media-amazon.com/images/I/716EugbZWLL.jpg)
![CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability - Image 2](https://m.media-amazon.com/images/I/91Zae0aMEIL.jpg)
![CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability - Image 3](https://m.media-amazon.com/images/I/91k228QYeJL.jpg)
![CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability - Image 4](https://m.media-amazon.com/images/I/91xsuWMtglL.jpg)
![CaribSea LifeRock Base Rock - 40 lbs - Natural Aragonite Rock for Custom Aquascaping, Supports Marine & Reef Environments, Enhances Tank Stability - Image 5](https://m.media-amazon.com/images/I/918zi4wuTPL.jpg)

## Available Options

This product comes in different **Pattern Name, Size** options.

## Questions & Answers

**Q: Did this make anybody else skimmer go crazy after putting in the tank? Im getting all kinds of micro bubbles from my pumps now too.**
A: Yes.  It's the initial bacteria die off that causes that.  You should rinse the rock thoroughly in RODI water before adding to your tank to avoid this.

**Q: Is there a wide variety of sizes and shapes among the rocks?**
A: Yes and you can always break bigger pieces

**Q: Is this rock or sand??? Description and title are conflicting**
A: Supposed to be the rock. I had ordered it and ended up with 40 lbs of sand, told Amazon about it and they fixes the issue and sent me the rock

**Q: Since this is not natural live rock how is it cultured to get the coraline algae?**
A: Real aragonitic base rock with live spored bacteria, shipped dry. At an unprecedented 50% void space (macro and micro), you will be hard pressed to find a durable natural rock that has this magnitude of porosity.

## Customer Reviews

### ⭐⭐⭐⭐⭐ PERFECT !!!! Beautiful!! Healthy for my tank.
*by M***L on August 21, 2024*

This product delivers just as you should expect! I received many large pieces including arches, pass=thru holes and caves. Nothing was broken, just a couple chips.SO pleased !! I am setting up a 75 gallon tank and deciding to take the most organic approach possible without killing myself. So far real good!! I dropped it right in fresh out of the wrappers. No dust, no water fog and instant upgrade !! The look of this rock is stunning! It's instant reef !! Most importantly with no pest or algae infestation. Just INSTANT beauty and depth!! I understand there are many different saltwater paths I can take using this rock as the foundation. I plan on adding even more and introducing this to my 46 gallon Bowfront of 20 years. All the experts, pros and hobbyist were right.....this rock is a brilliant and safe addition to your marine aquarium for tank health and beauty.

### ⭐⭐⭐⭐⭐ Beautiful, fake rock!
*by T***I on June 25, 2024*

I saw in the review that someone was complaining that it wasn’t live rock… it is not it’s better! Also heard complaints about breakage and shipment… I’m really not surprised, but delivery just dropped it on my driveway so hard that I could hear it from inside the house… only one little piece was broken. I was so shocked each individual peice were wrapped well! The last time that I ordered it, I did have some breakage, but it glued back together easily with super glue or frag glue and it’s lasted for years.The shapes in this package is nice mix of shapes makes easy to work with holes and arches for critter homes! The stuff is beautiful and I have used it in my tank since it came out years ago… the purple holds its color and really looks like Coraline algae! Grows corals and algae just like the real thing! Without all the hitchhikers that come with live rock. Make sure it caribsea life rock! I did try and off namebrand It was like plaster and just broke apartin a few months

### ⭐⭐⭐⭐⭐ Great all the way around.
*by S***O on July 14, 2025*

Great rock for a great price. I live out the way and there is almost nothing like this around me and what is within driving distance cost 3 times the price. 5 ⭐️s

## Frequently Bought Together

- Caribsea Life Rock, 40-Pound
- Instant Ocean Sea Salt 50 Gallons, For Marine Aquariums, Fast Dissolving

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-02*