Saki-Hikari Fancy Goldfish Color Enhancing: A professional use, color enhancing, probiotic daily diet for fancy goldfish that includes live (viable) microorganisms and is recommended as a daily diet for all types of premium grade or fancy goldfish, especially Ranchu. Available Sizes: 7 oz (200 g) item #42053. Feeding Suggestions: Feed 2 to 4 times daily, the amount your fish will consume within a few minutes. Care should be taken to avoid over-feeding. Always remove any uneaten food after the feeding period to avoid water quality issues. When the water temperature is consistently below 10°C (50°F) or above 30°C (60°F), reduce the amount fed based on the activity level of your fish and condition of your aquarium. Note: The benefits of Saki-Hikari are only valid with continued, uninterrupted feeding.