"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...

"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:...

"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...

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...

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...

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,...

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...

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...

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...

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,...

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 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...

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...

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...

10lb Box of RUBBLE 8x8x8 Box of Marco/Stax Rubble (Mixed) 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...

Rock Sizing: 4-8″ - 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...

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...

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...

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...

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...

This listing is BY THE POUND, with a minimum of 10 lb purchase. Cornerstone Reef Rock is the new standard of premium live rock alternatives. Build the seasoned look of a reef instantly with a rock that is not only friendly to the environment, but has...

THIS ROCK IS RUBBLE - NO "Standard" Pieces 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...

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...

Nature's Ocean Purple Base Rock 20 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...

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...

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...

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...

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...

Cornerstone Reef Rock is the new standard of premium live rock alternatives. Build the seasoned look of a reef instantly with a rock that is not only friendly to the environment, but has the looks to match. Each piece of rock hosts an intricate web of...