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  • 50 Lbs Pictured
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100 Pounds Key Largo Rock Free Shipping *in the contiguous US*

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Product Details

Pictured is one box of 50 lbs.  You will receive 2 boxes of 50 lbs each.

Our most popular product, in a larger size.  Ships in 2 50 pound boxes.

All natural calcium carbonate rock.  Never any chemicals, additives.  Often, you can spot fossilized ancient corals in the rocks. It comes to you pest and organic free. 

Whether you are building a Saltwater fish only, a Reef tank or a Fresh water tank you will love this rock and so will your wet pets.  It is highly porous and beautifully shaped.

MarcoRocks Key Largo is a natural rock that is harvested on land from an extinct reef system buried when the Florida land mass was formed.

Our Key Largo rock is a "green" product, because it is not harvested from a marine environment it has no negative impact on our delicate reef or marine ecosystem.

Combine this with our unique cleaning and processing and you get great looking rock, totally pest and organic free that's also environmentally friendly.

MarcoRocks is the choice of many public aquariums, aquaculture facilities and custom tank builders all over the world. Make us your first choice as well you will not be disappointed. 

guaranteed in stock!

Product Reviews

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  1. Excellent!

    Posted by NATHAN HUESER on 28th Feb 2017

    Very nice rock. They gave me a nice selection I'd highly recommend this product A+++