Kockney Koi Bombay Mix Bags. Kockney Koi Bombay Mix 1kg. Kockney Koi Bombay Mix 2kg. Kockney Koi Bombay Mix 5kg. Kockney Koi Bombay Mix 10kg. Kockney Koi Bombay Mix is a delicious and nutritious blend of pellets and sticks of different sizes that makes for a complete, balanced pond fish food.