1) Our unique combination of carefully selected color enhancing ingredients including; Spirulina, Marigold, Astaxanthin and Phaffia Dried Yeast offers extreme color enhancing capacity. More rapid coloration with deeper hues can be expected when compared to lower quality color enhancing foods. The Hikari-Germ™ promotes more rapid digestion thereby reducing waste output while working to decompose it and thereby improving overall water quality, filter effectiveness and can reduce regularly scheduled maintenance. Higher levels of Vitamin E and Vitamin C offer immune system support. Research at the Hikari® Aquatic Lab confirmed daily feeding comprised of only 25% Saki-Hikari® Fancy Goldfish Extreme Color Enhancing offered superior color development compared to other foods. Feeding :Feed 2 to 4 times daily, the amount your fish will consume within a few minutes. Care should be taken to avoid over-feeding. Saki-Hikari Fancy Goldfish Extreme Color Enhancing Diet will provide maximum results when your water temperature is consistently above 18 degree. Always remove any uneaten food after the feeding period to avoid water quality issues.