Tetra Koi Sticks Tetra Pond Koi Sticks is a highly palatable, premium quality, complete floating food for Koi and all other pond fish. It is made with BioActive formula for a healthy immune system, increased energy, and improved vitality. This food uses the finest high-quality ingredients to give your fish everything they need in a balanced diet. Available in 6 different size packs: 1 Litre/140g, 4 Litres/650g, 7 Litres/1260g, 10 Litres/1500g (bucket), 15 Litres/2350g and 50 Litres/7500g. Please select the required size from the drop down menu.