Shelf Rock

South Seas Base Shelf 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...

Real Reef Shelf Rock is our version of the shelf or slab rock that use to be imported from the Kingdom of Tonga for many years, before getting banned for destructive collection practices. Many have try tried to ship similar wild products from countries...

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...

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...

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...

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...

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...

South Seas rock is the premium choice of natural base rock for marine, reef, and African cichlid aquariums. Incredible macro and micro porosity for the ultimate biological media, and beautiful shapes and gnarly texture perfect for invertebrate placement...