With the help of the table you can find out from a number of practical cases more about the infectious nature of the established disease, whether intervention is needed, what additional costs you can expect and something about the prognosis. Know that each case can be different and sometimes require a different approach. Much depends on conditions such as water temperature, general behavior of the fish, whether new fish have joined or not, appetite, etc. No products or medications are listed because it always depends on the on-site examination, circumstances and additional research.