Aquariums are windows into a whole new world—one full of water and opportunity. Some people like to build fortresses and cities in the popular videogame Minecraft, while others like to build real-life worlds. No matter how daunting aquarium building may seem, it’s a hobby with a niche for everyone. With just a basic understanding of biology and a splash of creativity, you too can delve into the world of aquarium-keeping. At its core, being an aquarist means understanding the nitrogen cycle and basic fish behavior. However, you may be wondering, what, in fact, is the nitrogen cycle? Cycle of Life Well, the nitrogen cycle is just a fancy way of…