King British Tropical Fish Flake is a complete food, suitable for all warm-water fish. It is free from artificial colours, flavours and preservatives, and has been specially formulated with 47% protein for the metabolism of warm-water fish. Contains natural colour enhancers for bright, vibrant fish. King British flake is made in England to a unique recipe that includes a special Immuno-Health Booster - a valuable aid to everyday fish health which strengthens their natural immune defence system, meaning King British Flake actively helps fish stay healthier, longer.