Sera O-nip, 6 oz, 265 tabs Attaching tablets with delicacies sera O-nip consists of compressed flakes and freeze dried whole organisms such as krill, bloodworms, Tubifex or Gammarus You can excellently watch the fish eating when slightly pressing the tablet to the aquarium glass from the inside. The food tablets are readily accepted as a special delicacy by almost all fish. Also suitable for catfish and loaches 265 tablets