Caribsea

10lb pre-measured in a Mesh Bag - South Seas Base Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons...

South Seas Base Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for marine,...

South Seas Base Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for marine,...

South Seas Base Shelf Rock - Natural weathering processes form the fantastic shapes of South Seas Base Rock by the erosion and pitting of limestone over the course of eons. It is clean and safe for...

These natural porous calcium carbonate rocks are sliced on two sides to create ledges, platforms, and caves, and are perfect for fragging corals of all sizes. Flatz can also be used to design...

Dry Aragonite Substrates - CaribSea's dry marine substrates are recognized worldwide for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash,...

Dry Aragonite Substrates - CaribSea's dry marine substrates are recognized worldwide for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash,...

Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™ “Belize Branch”! Spectacular branches make a reef tank go from nice to WOW! LifeRock™ Belize Branch...

Don't just put rocks in your tank, ROCK YOUR REEF with LifeRock Shelf Rock! Spectacular shelves make the perfect display area for inverts or use shelves to create caves and platforms. Amazing...

Don't just put rocks in your tank, ROCK YOUR REEF with LifeRock Shelf Rock! Spectacular shelves make the perfect display area for inverts or use shelves to create caves and platforms. Amazing...

Fantastic shapes, incredible colors… Well check out new LifeRock™ Shapes, the latest version of CaribSea’s amazing LifeRock™ line up. Each 20 pound box comes with 4 arches!...

LifeRock FragZone is the result of many requests to make popular LifeRock series in a small rubble size for the attachment of coral frags and more. Calcium carbonate rubble is treated with a...

Single 16" Round Mega CaveReal aragonitic base rock, not cement, no curing. Extensive macro and micro-porosity infused with spored bacteria for outstanding biological performance. Clean and safe for...

A Single Long 24" Mega ArchReal aragonitic base rock, not cement, no curing. Extensive macro and micro-porosity infused with spored bacteria for outstanding biological performance. Clean and safe for...

Each Arch is approximately 8" long. Fantastic shapes, incredible colors… Well check out new LifeRock™ Shapes, the latest version of CaribSea’s amazing LifeRock™ line up...

There is simply no better, no more spectacular way to aquascape your marine or reef aquarium. These open, light shapes not only provide lots of cover and “play area” for fish, but provide...

PHOTOS ARE EXAMPLES - THESE ARE NOT MADE IN A MOLD - YOU WILL NOT BE GETTING THESE EXACT SAME ROCKS All rocks are unique in size, shape and weight. Fantastic shapes, incredible colors… Well...

There is simply no better, no more spectacular way to aquascape your marine or reef aquarium. These open, light shapes not only provide lots of cover and “play area” for fish, but provide...

This box has everything you need to make a beautiful aquascape and there are so many ways to arrange them for a 5-15 Gallon Tank. 15-25 Gallon Kit Contains: 1x Donut 1x Branch Cluster 2x...

This box has everything you need to make a beautiful aquascape and there are so many ways to arrange them.  Also, each box has a minimum of 40 pounds of rock that include 2 x 12”...