The nitrogen cycle plays a highly important role in a closed environment like that of an aquarium. Due to its presence, it is possible keep the fish and invertebrates alive, in a small viable space, therefore it is fundamental to learn to know it, mainly in respect of the life forms that we nurture.…
![Aquarium Chemistry: The Nitrogen Cycle: New Developments and New Prospects](https://reefs.com/blog/wp-content/uploads/2011/04/600fe3fdd0b80727e80e36bde6ec5fbe-Fnitrogen2.jpg)