Reef Glue - 0.7 oz Seachem Reef Glue is a powerful and versatile adhesive designed for a variety of aquarium applications. Great for aquascaping, mounting coral frags and repairing plastics, this specially formulated cyanoacrylate gel bonds in seconds and provides exceptional hold and durability. It is equally capable in freshwater and marine environments and can even be applied underwater! Reef Glue is packaged in an aluminum tube to prevent it from drying and to ensure extended stability life.