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The Nitrogen Cycle


This article is by Marco Colasanti extracted from Aquarium Chemistry: The Nitrogen Cycle: New Developments and New Prospects. The nitrogen cycle plays a highly important role in a closed environment like that of an aquarium. Due to its presence,…

Bacteria in the Freshwater Aquarium


  This article is by Bryon extracted from Tropical Fish Keeping forum. Bacteria are essential for life on the earth, and they exist everywhere; in only one milliliter of freshwater there are a million bacteria cells, invisible to the…