You should look for the best tropical fish food possible. There are many options available. The first step is to decide what type of food you are interested in and then look for the best quality options.
There are flake foods, pellet foods, granular foods, and even frozen food options. Your tropical fish deserve the best, so you want to do your homework and decide what is going to be the right choice for your unique fish.
A good food option will be made by a reputable company. You may want to talk with a professional to determine how much food you will need to get and how many times a day your particular fish will need to be fed. Different species will need different foods. You want to make sure that your pet fish is fed properly so that it can live a full and healthy life.