pods are very healthy for a tank, and some fish will eat them as food. Mandarians come to mind, but dont get one because your tank is to small and wont be able to support one for long. I would not worry about the pods, when you get fish in there they will start to go away. Some may die off as well while the tank continues to cycle. Keep up the great work and do a small water change. Test it and then i think you should be good for a small small fish.