Aqua Master Growth Koi Food Enriched nucelotide enhances koi immunity A well-balanced combination of amino acid, saccharide and fat to provide the essential ingredients to develop a beautiful koi body Coated with Bacillus Subtilize natto to facilitate digestion and reduce water contamination High palatability 4 Bags/carton; 3.5-4.0 millimeter Enriched nucleotide enhances koi immunity A well-balanced combination of amino acid, saccharide and fat to provide the essential ingredients to develop a beautiful koi body Coated with bacillus subtilize natto to facilitate digestion and reduce water contamination High palatability 4 Bags/carton; 3.5-4.0 millimeter