Pro-f Ocean Grazer is a nutritionally complete food for all marine ocean grazing herbivorous species rich in marine algae and marine proteins for enhanced colour development and healthy growth. Ocean Grazer maintains its disc design allowing grazing species to return frequently to feed. This provides these specialist feeders with the optimum design to maximise their nutritional intake and minimise waste in the aquarium. Feed daily one disc per two target fish.- Sinking Disc - Colour Enhancing - Reduces Waste