Tropical Tubi Cubi are freeze-dried Tubifex worms A natural food in the form of small cubes of freeze-dried Tubifex worms, for omnivorous and carnivorous fish. Tubifex worms are very popular with fish and aquatic turtles and are an easily assimilated source of protein. As fresh or frozen Tubifex worms can be a source of dangerous pathogens, we prefer the freeze-drying technique, which effectively eliminates all pathogens while preserving delicate vitamins, unsaturated fatty acids, proteins and other essential substances. This makes Tropical Tubi Cubi an exceptional natural food for ornamental fish. You can feed the worms in dried form or soak them in a little water before use.Feeding recommendation for Tropical Tubi Cubi:Feed the fish several times a day using small portions.Ingredients: freeze-dried OligochaetaAnalytical constituents: crude protein 55.0%, crude oils and fats 5.0%, crude fibres 3.0%, moisture 10.0%