(Medium) The Best Algae Clip You Will Ever Own! Clear Acrylic Seaweed Hang On Feeding Clip for Tangs Plecos Algae Eaters Medium 8-10" PERFECT for most Aquariums. 8-10" overall length. Stay DRY! Hangs Inside Aquarium for All Day Grazing Holds Your Fishes Favorite Algae and Seaweed Algae Clip is Easy to Clean or Replace Keeps Your Hands DRY When Feeding Algae/Seaweed!