"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.   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.   Cool New Exclusive...

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...

"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:...

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...

"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...

"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:...

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...

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...

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...

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...

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...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

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...

The Ohko stone, Aquarium Rocks (Dragon Stone) is a rock that resembles dragon scales. It typically has a greenish brown coloring and is very light weight compared to other hardscape stones. Aquascapers say the Ohko stone is basically composed of hardened...

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...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

Nature's Ocean Purple Base Rock 40 LBS (Approx. 5 -9 inches) Purple base rock will become naturally live overtime because of its porosity : No artificial or engineered bacteria, Rapidly adapts to the LIVE environment , Made from aragonite base rock, Will...

LifeRock Shrooms take your reef tank to a new level! So useful, LifeRock Shrooms can be placed flat size down for stable pinnacles with plenty of nooks for frags both high and low. Or puzzle piece in your own aquarium rock bed on the bare glass tank...

Caribsea® Moani Dry Live Rock is the perfect solution for starting your marine aquarium with the benefits of live rock. Moani will behave just like real live rock, providing your aquarium with vital biological filtration and a nitrification base, in...

Rock Sizing: 3-6″ - Smaller Sized Rocks Real Reef Rock is our standard reef building rock.  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

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 all fish and inverts, environmentally responsible each...

Rock Sizing: 3-14″ - Mixed Sized Rocks Real Reef Rock is our standard reef building rock.  It is very light, porous and full of holes and crevices. It is three dimensional in shape and comes in many natural shades of purple, pink and red. It...

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. Each 20 pound box comes with 4 arches! There is simply no...

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 all fish and inverts, environmentally responsible each...

LittleRox are pressure washed, natural oolitic limestone rocks from Florida. They can be used to create rubble zone on the bottom in the freshwater cichlid tanks or in the marine reef aquariums. LittleRox are also ideal bases for attaching coral frags,...

LittleFeet are flat limestone bases that can be used to provide a stable footing for large corals or frags. The flat bottom makes it easy to position a coral anywhere on the bottom of an aquarium or culture raceway. The base can even be buried in the...

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. It is clean and safe for marine, reef and hard water...

Cool New Exclusive Product - Real Reef BLACKOUT.  Make those Corals & fish POP! Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from 4"-12".  It is very light, porous and full of holes and crevices. It is...

Some damage my occur during shipping.  We do not replace broken rock.  If damage occurs please contact us we can supply you with some epoxy to reconnect the pieces.  We do everything in our power to pack these as best as possible. Real...

Moani Shrooms take your reef tank to a new level! So useful, Moani Shrooms can be placed flat size down for stable pinnacles with plenty of nooks for frags both high and low. Or puzzle piece in your own aquarium rock bed on the bare glass tank...