Betta Pond Sinking Pellets is a complete sinking food for all types of pond fish including Koi. The nutritionally protein rich pellets are formulated with the highest quality ingredients which ensures the food is highly digestible and stimulates growth. Contains all the necessary fish proteins, oils, vitamins, minerals, and trace elements to keep your fish healthy and in excellent condition. Pellet size 4.5mm. Available in 2.5kg pouches.