Hikari Algae Wafers are the world's best-selling food for plecos and other algae eaters! Hikari has managed to improve this already successful food even further. The new formula contains even more plant-based ingredients, including several types of algae, such as spirulina and chlorella. The tablets don't dissolve quickly, which is very important for nocturnal eaters like the pleco that don't have fixed feeding habits. – The ultimate tablet for algae eaters. – Packed with plant-based ingredients. – Sinks quickly and retains its shape for a long time