Nutrafin Max Bottom Feeder Sinking Food Tablets is a nutritious, highly palatable fish food that contains earthworms. The tablets sink to the bottom of the aquarium to provide excellent nutrition to bottom feeders. Naturally coloured by its ingredients, the fish food also contains multi-vitamins, natural colour enhancers, and Advanced Yeast Extract, which helps improve digestion and allows optimal nutrient absorption. Available Sizes: 60 g (2.12 oz) / 120 g (4.23 oz)