Treat your finned friends to the ultimate color and growth boost with Blue Ridge Koi & Goldfish Color Rich Formula Koi & Goldfish Food. This specially formulated food combines all the essential nutrients of their regular growth food with three powerful color enhancers. With marigold extract, spirulina, and canthaxanthin, this food helps intensify and deepen the beautiful hues of your underwater companions. In just 30 days, you’ll notice how your fish look fancier.