Zoo Med Betta Dial-A-Treat. Make your bettas happy by adding some variety to their diet! Zoo Med's Betta Dial-A-Treat includes three natural treats that bettas love: Mysis, Daphnia, and Blood Worms. Each of these treats are high in protein and rich in vitamins and minerals. Your betta will swim with excitement when you pickup the red container and select the "flavour of the day". Available Size: 0.12oz (3.4g)