Aquarium stores offer a broad spectrum of supplies, equipment, and marine life. There are just about as many different kinds of supplies and components as there are fish with which to stock your aquarium. Those who are new to collecting fish and other marine life, as well as maintaining an aquarium, are likely to be surprised when they see the extensive variety of things you need to maintain a healthy environment for your aquarium. Of course, each individual aquarium will have different maintenance requirements based on whether it is a saltwater or freshwater tank. You will also modify your approach based on what fish and other marine life you have in the aquarium. The ocean represents a multiplicity of life that subsists in distinctly different ecosystems. Caring for your own marine life will allow you to see that maintaining an aquarium unique to a particular kind of ecosystem requires quite a bit of work. The process of building out your aquarium requires more than just filling a glass box with water, adding some decorations, and feeding the fish. Rather, depending on the marine life you purchase, you may need to look into such things as protein skimmers, CO2 components, aquarium heaters, and much more. There is a huge selection of retail and wholesale dealers that represent many brands and offer just about any kind of equipment you could possibly need for your aquarium. New technology has enabled all kinds of advances, including amazing lighting schemes, testers and monitors, feeders, and that is just the beginning.