Our 5 Litre Refill Bag of Economy Fish Food Includes Delivery Australia Wide. Floating formula ideal for Koi and Goldfish. Crude Protein 28%, Crude Fat 4%, Crude Fibre 3%, Moisture 10%. Pellets Available in 3 sizes Small (approx 2mm), Medium (approx 4mm), Large (approx 6mm). Please note there can be variation in pellet size from batch to batch. Variable weight, weight varies depending on pellet size.