BIO-PURE FD is the world's cleanest freeze-dried fish food available today. Pharmaceutical freeze-drying techniques allow us to give you a product as close to fresh as humanly possible. Expect a texture and taste not previously available in a freeze-dried food. If you're looking for an superior, color enhancing, daily diet or treat for your larger fresh or saltwater fish, look no further. BIO-PURE FD Krill, an excellent choice from the quality leader, Hikari!!