Fifty five Gallon Fresh Water Aquarium A fifty five gallon freshwater aquarium is a good choice when purchasing a new tank, if nothing else, simply because of its size. These tanks are large enough to accommodative a variety of fish, but still small enough to keep in tight spaces in the home or office. Your local retailer can assist you with specifics in purchasing, but here are some suggestions for the basics. Purchase an acrylic tank, because they are lighter in weight and easier to care for than glass aquariums. Also the visibility is better in an acrylic tank. If you don't already have a stand or a suitable replacement, keep in mind that you will need to purchase one. You will need a heater for temperature control, and a thermometer for checking the water temperature. It ...