Gravel & Rocks

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock. Read more

Live rock is 100% naturally collected and is popular because it introduces a diverse array of bacteria and algae to the closed marine environment. Pricing is per lb when adding to cart. Read more

Live rock is 100% naturally collected and is popular because it introduces a diverse array of bacteria and algae to the closed marine environment. It also functions as a superior biological filter that hosts aerobic and anaerobic nitrifying bacteria. Read more

Pukani rock is a 100% naturally collected from the ocean and is popular because of the interesting structure. It is very lightweight and typically comes in larger pieces when compared to other naturally collected rocks. Read more

Aragonite Substrates - Recognized globally for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment. Read more

Altered Reef Ceramic coral frag disk are used for the propagation and fragging of hard and soft branching corals. Large size. Read more

Ocean Direct™ substrate is different than all other live sand products on the market. Ocean Direct™ utilizes “Sea Breathe” technology, which preserves real live sand with its own original bacteria. Read more

Our MarcoRocks is the finest all natural aquarium rock available to the aquarium enthusiast today. It was once live natural reef rock. This is our newest rock offering - it lends itself to that perfect shelf scape that is reminiscent of a multi-tiered ree Read more

Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system. Whether you are building a Saltwater fish only, a Reef tank or a Fresh water tank, and even reptile environments, you will love this rock and so will your pets. Read more

Ocean Direct™ substrate is different than all other live sand products on the market. Ocean Direct™ utilizes “Sea Breathe” technology, which preserves real live sand with its own original bacteria. Read more

LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has formed a pure, aragonite-bearing rock. Read more

As seen debuted at the MarcoRocks and the Two Little Fishies Booths on the 2017 Reef Aquarium show circuit. A Great new way to Aquascape! STAX rock is flat porous oolitic limestone, cut on both sides for ease of stacking. Read more

ALPHA RACK allows you to place coral frags in a convenient, secure location to easily observe, acclimate, and display coral frags in the aquarium. Equipped with ½” frag holes & strong anti-slip rubber padded magnets that hold securely on up to ½” thick gl Read more

ALPHA RACK allows you to place coral frags in a convenient, secure location to easily observe, acclimate, and display coral frags in the aquarium. Equipped with ½” frag holes & strong anti-slip rubber padded magnets that hold securely on up to ½” thick gl Read more

Aragonite Substrates - Recognized globally for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment. Read more

Altered Reef Ceramic Coral Frag Plugs are used for the propagation and fragging of hard and soft branching corals. Read more

You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public aquariums and zoological parks. Read more

You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates. Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public aquariums and zoological parks. Read more

As seen debuted at the MarcoRocks and the Two Little Fishies Booths on the 2017 Reef Aquarium show circuit. A Great new way to Aquascape! STAX rock is flat porous oolitic limestone, cut on both sides for ease of stacking. Read more

Aragonite Substrates - Recognized globally for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment. Read more