Frozen foods are access at different pet stores in USA. It is shrimp or spirulina and vegetables, vitamin, staple foods to aquarium delicacies like sponges and worm larvae.
The choice of frozen foods accessible can offer steady diet for fish, and the that foods get reduce the risk of diseases in the frozen fish. I think seafood is more useful to protect from the variety of disease. It is necessary to maintain the nutritional value of the food.
It is necessary to serve the frozen food to enhance the immunization properly. It is necessary to get the benefits of the frozen food to get the batter immunization.