Tetra Pond Sticks provides healthy nutrition for Goldfish and Koi and is one of our most popular pond foods. Soft sticks for all sizes of pond fish are easy to eat and digest and keep your water clear! Pet Mountain is proud to offer discount bulk pet products. Healthy nutrition for all sizes of Koi and Goldfish. Easy to eat and digest. Helps keep water clear Tetra Pond Sticks provide nutrition for energy, longevity, and overall health. Floating food sticks are lightweight and highly digestible, which helps keep the water clean and clear. It also means these Tetra Pond Food Sticks float longer, so you can enjoy watching fish feed on the water's surface