2. 20-55-gallon Freshwater Shopping List This solution outlines all the necessary equipment and supplies to start a healthy 20-55 gallon freshwater fish tank. Once you've made your equipment choices, check out the links below for everything from setting up to regular maintenance.
Buy only a few inexpensive fish (6-10) at first and make sure they are hardy species. It is not uncommon to lose a few fish in the initial stages. Bacterial additions every time new fish are added will help prevent this. Buy only fish that are treated before they are purchased and are treated in the bag when you purchase them. This is a sign of a quality dealer who cares about the livestock and the customer.