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Caribsea Life Rock 40 lb

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.

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?

Yes and you can always break bigger pieces

Q: Is this rock or sand??? Description and title are conflicting

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?

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.

Product ID: 738110663

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Details

Size
40-Pound
Brand
Carib Sea
Item Weight
4.54 kg
Age Range (Description)
全ステージ
Global Trade Identification Number
UPC
008479003768

🌿Pre-colored coral algae look

🧬Macro & microporosity for bacteria growth

⚖️40 lbs premium aragonite base

Description

🌊 Elevate your saltwater tank with reef-ready Life Rock—no wait, all wow.

SAFE READY - Arrives dry, clean, and safe for all fish and invertebrates—no curing or pH spikes required.
BIOLOGICAL BOOST - Porous structure infused with spores promotes immediate beneficial bacteria colonization.
VERSATILE SIZE RANGE - Rocks vary from 5.5" to 9", perfect for creating dynamic, natural reefscapes.
INSTANT REEF AESTHETIC - Color-matched to real coral algae for a mature, natural look right out of the box.
ECO FRIENDLY ALTERNATIVE - Sustainably made in the USA, no harm to wild coral reefs—feel good about your tank setup.

CaribSea Life Rock 40 lb offers a sustainable, visually stunning alternative to wild live rocks. Made from a porous aragonite base and pre-colored to mimic real coral algae, it promotes rapid beneficial bacteria growth without pH spikes or curing. Safe for all marine life and sized for versatile reef design, it’s the perfect foundation for a thriving saltwater aquarium.

Have a Question? See What Others Asked

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.

Is there a wide variety of sizes and shapes among the rocks?

Is this rock or sand??? Description and title are conflicting

Since this is not natural live rock how is it cultured to get the coraline algae?

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

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Great experience from order to delivery. Highly recommended!

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Smooth transaction and product arrived in perfect condition.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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