"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight.   Base Dry Rock - 20...

"By the Pound" means you are choosing the weight of your rock. Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight. Marco ReefSaver is a natural...

"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight. This is Marco Rocks newest...

Increase the beauty of your aquarium landscape with these unique style stones and rocks to look like miniature rock formations. Customize your reef structure with safe, all-natural materials available in an assortment of sizes and shapes to enhance your...

ONE PIECE of Black Egg Crate for Aquariums. Modular - Each section of egg crate has built in connectors to secure multiple pieces together to create a larger section. The perfect solution to place underneath your live rock structure to protect the...

"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight.   Rock Sizing:...

"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight.   Rock Sizing:...

"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight.   Rock Sizing:...

1 FREE RANDOM SAMPLE ROCK FREE WITH ANY ORDERS OF $20 or MORE   Real Reef Rock is a made of 100% natural marine friendly ingredients. Its components are made of the same building blocks which wild coral and living reef rock are composed of. The...

See your corals in a whole new light through the Fritz Aquatics coral viewing glasses!These specially designed glasses block the blue light so you can see your corals at their most vibrant.

  "By the Pound" means you are choosing the weight of your rock.    Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks.   Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight...

"By the Pound" means you are choosing the weight of your rock.  Ex: Qty 5  is 5 Pounds of Rock, NOT 5 Rocks. Selling individual rocks is impossible due to the fact that every rock is unique in size/shape/weight.   Rock Sizing:...

Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™. Amazing porosity, incredible biological performance (drops ammonia like real live rock), and unsurpassed realism make LifeRock™ the best and most cost effective rock...

Fantastic shapes, incredible colors… Well check out new LifeRock™ Shapes, the latest version of CaribSea’s amazing LifeRock™ line up. Each 20 pound box of Shapes USUALLY* comes with 4 pieces:  1x Cave, 2x Arches and 1x...

Helix Ships on Tuesday - Wednesday from ALGAE BARN in CO to ensure the freshest possible product as we receive weekly Monday shipments of this. Not only does Coralline Algae in a Bottle speed up the process of developing colorful coralline algal crusts...

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...

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, reef and hard water freshwater aquariums such as...

IC-GEL™ is a cyanoacrylate paste that is extremely thick which comes in an applicator tube like toothpaste. It has the same bonding and curing time characteristics as MAXI-CURE™. IC-GEL™, however, can be applied to a vertical surface...

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...

IC-GEL™ is a cyanoacrylate paste that is extremely thick which comes in an applicator tube like toothpaste. It has the same bonding and curing time characteristics as MAXI-CURE™. IC-GEL™, however, can be applied to a vertical surface...

ME Coral Gel is designed to glue coral fragments to plugs or rock. ME Gel is an Extra Thick and Super Fast drying clear glue which works great underwater. Only a little is needed compared to others due to its viscosity – go light! ME Coral Gel is...

Increase the beauty of your aquarium landscape with these unique style stones and rocks to look like miniature rock formations. Customize your reef structure with safe, all-natural materials available in an assortment of sizes and shapes to enhance your...

Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed.  Whether you are building a Saltwater fish only, a Reef tank or a Fresh water tank, and even reptile environments,...

ONE PIECE of WHITE Egg Crate for Aquariums. (White seems to hide better under sand, to prevent rocks from falling and cracking your aquarium) Modular - Each section of egg crate has built in connectors to secure multiple pieces together to create a...

Don’t just put rocks in your tank, ROCK YOUR REEF with LifeRock™. Amazing porosity, incredible biological performance (drops ammonia like real live rock), and unsurpassed realism make LifeRock™ the best and most cost effective rock...

This 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. Every breathable bag of Ocean Direct™ is...

100% Non-Toxic - Triton ICP Tested Have you ever wondered how they make those remarkable aquascape structures? MarcoRocks E-Marco-400 Aquascaping Kit is how! The kit includes everything you will need to create your own mortar that is specially modified...

NYOS REEF CEMENT NYOS REEF CEMENT is a rapid adhesive with a firm grip and is low in harmful substances, which can be used to attach corals, overhangs, columns and complete stone structures easily and durably. REEF CEMENT is a powdery substance,...

When setting up an aquarium with CaribSea's dry products please rinse the substrate well, until the water runs clear or relatively clear! The susbtrate should be carefully placed on the bottom of the aquarium, and your preconditioned water should be...

Two Little Fishies STAX Flat Porous oolitic limestone, cut on both sides for ease of stacking 100% natural, never any chemicals or additives Sustainably collected For Marine or Freshwater Provides stable structure and limitless creative...

Helix Ships on Tuesday - Wednesday from ALGAE BARN in CO to ensure the freshest possible product as we receive weekly Monday shipments of this. Not only does Coralline Algae in a Bottle speed up the process of developing colorful coralline algal crusts...

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 reef-safe porous coating which allows rapid and easy adhesion...

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 fills an aquarium, but leaves open more area for fish and...

Live Rock Enhance™ contains microbial spores and their attendant enzymes. The ingredients in Live Rock Enhance™ eat and dissolve detritus, dead algae, slime and decomposing life attached to, and within, rocks, sand, in the aquarium and/or in...

Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed.  Whether you are building a Saltwater fish only, a Reef tank or a Fresh water tank, and even reptile environments,...

Real Reef Rock is a made of 100% natural marine friendly ingredients. Its components are made of the same building blocks which wild coral and living reef rock are composed of. The ingredients are not taken from the ocean and as a result there is zero...

Xport-BIO Ultra-porous Biological Media with Superior Performance Characteristics. Overview: Utilizes NanoIntelex Technology to create an enhanced material with vast surface area for colonization by beneficial nitrifying bacteria, resulting in rapid...

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...

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! There is simply no better, no more spectacular way to...

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...

Capture the true beauty of any aquarium with your mobile device using the IceCap Clip-on Lens Kit. Clamps directly over almost any smartphone or tablets camera to instantly filter out excess blue light from the photo. This allows you to capture and share...

Marco ReefSaver is a natural rock that is harvested on land from an ancient reef system buried when the Florida land mass was formed.  Whether you are building a Saltwater fish only, a Reef tank or a Fresh water tank, and even reptile environments,...

Maxi-Cure™ extra thick CA is the best CA for most plastics, including GE’s Lexan MAXI-CURE™ is the best choice for plastic model assembly. When used with INSTA-SET™, it works better than any putty for modifying or filling voids...

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 nice nooks and shelf areas for inverts too. CaribSea...

Seachem CoralCrete™ is two-part epoxy putty that can be used to secure coral to rock work or to fuse together rock work for more stable foundations in reef aquaria. It has a working time of 5 minutes which allows for plenty of work time while also...