Cornerstone Reef Co is a company dedicated to providing innovative products to the reefing industry. With a combined 35+ years in the hobby, we strive to bring you products that not only work well, but are something we use in our own systems. Our goal is to help you create the foundation for a flourishing saltwater tank.

pH Neutral

Volume to weight ratio
compared to other rocks
Unique shapes
and counting

Unparalleled Microporosity

Maximizes Bacterial Colonization

Find out how


stainless steel.

35+ Years Combined Experience

To bring you the new industry standard

Build Your Reef

Join us today in defining the new standard of live-rock alternatives.
Contact us