Rock

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...

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,...

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...

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...

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 porosity, incredible biological performance (drops ammonia...

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...

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...

The New Reef Forest  Extension Kit takes open reef scaping to a new level. The 3 LifeRock 3X12 Arches, 3 Cap Rocks and 3 14" Reef Rods quickly to give you a three-dimensional design with plenty of negative space and massive surface area for corals...

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...

Build striking, unique aquascapes in your aquarium with Two Little Fishies STAX Aquascaping Rocks. STAX are flat, porous, oolitic limestone shapes, perfect for building layered aquascapes in marine or freshwater aquariums. Provides a stable structure...

Created from fully natural ingredients, the highest quality rock designed for marine aquariums. High aesthetics and hand-made manufacturing process, make AF Rock resemble natural rock from coral reefs. Due to the high porosity, it facilitates bacteria...

Approximately 8-14" on Average in Length, hand made so all the designs slightly different. Real Reef Arches are Here!  The best looking manmade rock now in Arch form.  There are 4 arches to a box of random size & similar but random shapes...

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...

MarcoRocks has taken the guesswork out of choosing how much of each rock type to use when planning that perfect aquarium scape. In our new "The Perfect Mix" box you'll find just the right mix of MR Coralline Foundation, MR Coralline Hybrid, and MR...

Not quite Reef Saver, not quite Shelf.  Quite Unique. This Hybrid MarcoRock seems to do it all.  It lends itself to be quite easy and forgiving to work with.  The shelving aspect allows for ample ridges and overhangs, which truly is the...

The ultimate all-in-one box selection. The perfect Mix to Aquascape 10 - 20 gallons. Box Includes 14 pcs: 6 Sm. Real Reef Rocks 2 Md. Real Reef Rocks 2 Sm. Real Reef Shelf Rocks 2 Sm. Real Reef Fancy Branch Rocks 2 Sm. Real Reef Plate Coral...

LifeRock™ 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,...

MarcoRocks Aquascaper's Choice consists of 3"- 6" single wafer pieces of our Shelf Rock, perfect for creating gravity-defying HNSA scapes. We recommend building on top of MR Foundation Rock. For bonding, use MR E-Marco 400 or cyanoacrylate. Consider...

MarcoRocks Aquascaper's Choice consists of 3"- 6" single wafer pieces of our Shelf Rock, perfect for creating gravity-defying HNSA scapes. We recommend building on top of MR Foundation Rock. For bonding, use MR E-Marco 400 or cyanoacrylate. Consider...