CoralCrete Gray Epoxy (4 oz) - Seachem
Seachem CoralCrete™ is two-part epoxy putty that can be used to secure coral to rock work or to fuse together rock work for more stable foundations in reef aquaria. It has a working time of 5 minutes which allows for plenty of work time while also quickly securing coral or rock. CoralCrete™ is ideal for working with larger colonies of branching coral, most large polyp coral or adhering plating coral to rockwork. CoralCrete™ is safe for aquarium inhabitants when used as directed.