The Ocean Nutrition Seaweed Clip is an excellent tool for feeding seaweed and other foods such as cucumber and lettuce. In order to keep grazers fit, algae needs to be readily available. The clip is for use underwater and adheres easily to acrylic or glass surfaces thanks to its suction cup. This clip has a stronger and longer gripping surface than other clips on the market. The Seaweed Clip holds the seaweed underwater for the fish to feed upon and helps promote very natural feeding by allowing fish to pick at the food, little by little, over an extended period of time.Tight grip zone for a better hold.Promotes natural feeding by allowing the fish to pick at their food over an extended period of time.Made in transparent plastic for more discretion. Pack contains two clips