<p>Biotek Marine Dry Reef Rock is the finest premium Florida aquarium dry rock available anywhere. Our BioTek Marine Premium Dry Rock is mined, collected and cleansed prior to us receiving it and each piece is carefully looked at before it's packed up and on the way to you.</p> <p>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 aquarium inhabitants. Biotek Marine Dry Reef Rock is a natural rock that is harvested on land and cleansed until it's at the point Our Biotek Marine Dry Rock is a "green" product, because it is not harvested from a marine environment it has no impact on our coastal reef ecosystem. Better yet, Biotek Marine Premium Dry Rock goes through a detailed and deep cleansing process to help insure that no organics or pests get into your aquarium. Biotek Marine Dry Reef Rock will get your aquarium looking great from day one.</p> <p>Available in 10 lb and 25 lb boxes. This product ships as flat rate shipping @ $10.00 per box on the the 10lb and 25lb boxes within the continental US.</p>