Feed your herbivorous fish and your omnivorous fish with Tropical 3-Algae Tablets A. Adhesive tablets can be used as a daily diet for those fish who eat algae as a primary source of food, or as a supplementary food for other fish. Three algae included are chlorella, Ascophyllum nodosum and Laminaria digitata. The combination of proteins, fatty acids, amino acids, vitamins, and other macro nutrients, and trace elements are beneficial for your inhabitants. These ingredients intensify growth, and desirable form, builds immunity to diseases, prevents infections, reduces stress, and gives vibrancy to colours. Adhere tablet to the interior tank glass or drop into tank in a regular feeding area.