This Koi Food Is formulated to bring out and maintain The maximum vibrancy of color. Special ingredients such as spirulina algae, shrimp, plant and vegetable meals each add a source of bio-available pigment to brighten your fish colors. For optimum results, feed up to two months prior to competition or alternate all year to keep fish looking their best. Available as Floating Pellets: medium pellet, large pellet and NEW! mixed sm/md pellet