These Pure Krill Koi Balls from Kockney Koi provide a nutritional treat for your koi, with the ingredients being purely 100% dried Krill. They contain a huge 50% protein guaranteed, so they are perfect for supplementing Koi with a little something extra. You’ll get 6 Koi Balls in a pack, and measure around 1.5″ in diameter, though they are hand-made so will vary. As well as the benefit on the protein from the Krill, these will also boost colours within your Koi, and ensure they look in top condition.