Enriched with OF Opti-DS, a thoroughly tested metabolic enhancer that increases the feed’s digestibility and absorbability by at least 30%.Bio-formulated with immune-enhancing substances that fortify your fish’s immune system for better health and extra resistance against sickness, thus reducing mortality. Improves fish’s coloration in 1-2 weeks with a unique blend of natural spirulina and krill extracts with other natural color enhancing elements. Contain various nutrients that ensure your fish receive a wholesome meal for enhanced growth and development.