Yukari eco is a nutritiom food for all types of koi and gold fish. The food provides basic nutrition to koi and gold fish. It provides all the necessary vitamins and mineral to ensure the healthy growth. It is palletable that is accepted by most of the koi and gold fish It contains stabilized vitamin V that provides a strong immune system to diseases. Feeding guide: Feed the amount that your fish can consume within 5 minutes and remove the residuals after 30mins to avoid pond contamination.