A video tip on feeding Tetra Color Tropical Granules to discus fish. The food was also called Tetra Bits or Color Bits. It's a good dry fish food to feed to your discus. It will enhance the red/orange color in your fish naturally and is very nutritious. A simple tip is to presoak the food in water for a few minutes so it gets soft. Your discus should really enjoy eating it since it is no longer tough for them to eat.