Along with a higher protein content for accelerated growth, Blue Ridge Growth Foodalso contains vitamins and minerals greatly benefitial to a fish's immune system and disease prevention. The LG. size pellet is appropriate for fish 5 inches in length or larger, and the Mini for fish 5 inches in length and smaller. Blue Ridge Growth Blendis a simple mixture of Growth LG. Pellet and Growth Mini Pellet so that owners of various sizes of koi and goldfish can easily feed their fish with one food.