Many fish, such as barbs, cichlids, angelfish, and discus, prefer to feed from food in the water column, rather than from the surface. TetraPrima provides these fish with all of their nutritional requirements, and is especially good at bringing out the colours in fish such as discus. TetraPrima is also an excellent food for bottom feeding fish, and can be particularly useful where a large number of bottom feeders are kept, and there is intense competition for tablet foods.