Blackwater Premium Koi and Goldfish Food Color Enhancing Medium Pellet Fish Food transforms your finned friend’s hue so he truly pops in any environment. This high-quality food is designed to intensify your koi， goldfish or cichlids’ vibrancy so he can stand out as he confidently swims in his aquarium or shows-off during a competition. The pellets are made from four natural enhancers that will brighten red and yellow colors. These color-boosting ingredients make up over 30 percent of the recipe， providing your pal with a nutritious diet that’ll truly win over any judge!