Betta Banquet 7-Day Feeder Blocks for Bettas. Zoo Med’s Betta Banquet Food Blocks are made with whole Micro Betta Food Pellets and Krill to provide essential nutrients that Bettas need. As the block dissolves, Betta Food Pellets are exposed allowing your Betta to feed throughout the day. Each block will feed one Betta for up to 7 days depending on the pH and hardness of the water. Be sure to perform routine water changes weekly. Dissolves in water to release with time while you're away Made with krill, shrimp and fish for a tasty meal Includes vitamins and minerals for a balanced diet Available Size: 0.3 oz (8.5g) 6 feeding tablets.