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Purple Life Rock - Tunnel - Per Pound - CaribSea

CaribSea  |  SKU: 00381_T_Per_Pound
$799
Rock is naturally fragile and some breakage may occur during shipping. While we inspect and securely pack each box, carrier handling is beyond our control. Shipping insurance does not cover breakage, so we cannot offer replacements.
Does not qualify for FREE FedEx Overnight Shipping
Ships FREE FedEx Ground

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Create dynamic, open aquascapes with LifeRock Tunnel, the perfect blend of form and function for reef and marine aquariums. Sold by the pound (each arch weighs approx. 5 lbs), these uniquely shaped pieces are ideal for building swim-throughs, caves, and elevated platforms while enhancing flow and visual depth in your tank.

Crafted from real aragonitic base rock, LifeRock Arches are infused with spored bacteria to jumpstart your aquarium’s biological filtration—no curing required. Their coralline-algae-style coating offers a mature reef look straight out of the box, and over time, real coralline will grow to fully blend the structure into your reef system.

Key Features:

- Sold per pound (approx. 1 Tunnel = 5 lbs)
- 100% reef-safe for marine fish, corals, and invertebrates
- Pre-seeded with spored bacteria for biological filtration
- Made from porous aragonitic rock – not cement
- Coated to resemble mature coralline algae
- Handcrafted – each arch is unique
- Environmentally responsible – not harvested from reefs or beaches

Perfect for aquarists who want to custom-build their aquascape, LifeRock Arches make it easy to design a natural, functional reef structure with minimal effort.


Rock is naturally fragile and some breakage may occur during shipping. While we inspect and securely pack each box, carrier handling is beyond our control. Shipping insurance does not cover breakage, so we cannot offer replacements.

Add Merch to your box ships FREE

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