Enhance the beauty of your aquarium with this individually cast action aerating aquarium ornament. The poly/resin casting features fish safe decorations that prevent fading and provide vivid colors that create a very realistic Pirate's Treasure Chest that opens to reveal it's treasure, broken jar, plant and a seabed of coral. Requires the use of a small air pump, airline tubing and an airline valve for precision control (all sold separately from Aquatic Edge). The Action Pirate's Treasure Chest is safe for all aquariums - freshwater and saltwater.