Pro-f Algae Wafers provides a nutritionally complete diet for all herbivorous and omnivorous bottom feeding species such as Plecostomus Peckoltia Otocincous Panaque Hypancistrus bristlenose sucking loaches and clown loach. Contains spirulina and other essential algae to suit the specific dietary requirements of algae eating species and krill meal enhancing palatability to omnivorous species. Algae Wafers also provides a source of lignin for wood-eating catfish that require it in their diet. Disc-shaped wafers provide the optimum design for these specialist feeders to maximise their nutritional intake whilst maintaining shape to minimise waste in the aquarium.