Coral for An Attractive Aquarium Decor Now you can add some color and wonder to your aquarium with this Penn-Plax Coral that comes in attractive colors. Penn-Plax Coral Enhances aquarium decor Suitable for fresh and salt water aquariums Pink coral adds color to tank Great for all fishes of fish tanks This colored coral can make any aquarium look colorful and attractive. A Closer Look: Penn-Plax Coral ornament is great to be added to saltwater or freshwater tanks to give an added decorative effect. Made Specially for: Fish tanks of all sizes