https://reefinnovations.com/archives/1617
Scientists pull up living reef community thriving on a Reef Ball in Tangier Sound. This concrete Reef Ball was placed here 13 years ago with nothing living on it and now WOW! its covered in oysters, red bearded sponges, and dozen’s of other reef dwelling critters this is great news to see that artificial substrate like Reef Balls work to help save the oysters and save the Bay.
