Wardley Scientifically developed all-vegetable formula is ideal for feeding a variety of tropical fish, especially bottom feeders such as catfish plecostomus and loaches Includes 3 ounces of nutrient-rich spirulina algae discs in a convenient, easy-to-store resealable bag Blue green algae is known to enhance the natural color of your fish Contains no artificial colors or dyes that can harm fish or cloud water Supplemented with stabilized vitamin C to support immunity and healing