TetraPond Koi Growth is a high-protein food ideal ted for rapid fish growth in young koi and ornamental goldfish. It contains essential amino acids to help young fish grow. These smaller-sized soft sticks are designed for easy digestion with growing fish in mind. Ideal for late spring and early summer feeding when the water temperatures are 50 degrees and above. TetraPond Koi Growth food is designed to soften quickly for toothless pond fish. It?s highly digestible to help promote clear water and minimize waste.