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We continue our conversation with Vladimir Kovalev, a candidate of biological sciences and ichthyopathologist. Let's talk about the nitrogen cycle in an aquarium. ► More about the nitrogen cycle - https://aquariumok.ru/content/nitric_... ------------------------------------------------------------ ► Scalariki VK - https://vk.com/scalariki_official ► Instagram - / scalariki_inst ► e-mail - [email protected] ------------------------------------------------------------- ● Author - Pavel Chulkov ------------------------------------------------------------- 00:00 - What is the nitrogen cycle in an aquarium? 01:15 - Ammonia/Ammonium 03:09 - Nitrite/Nitrate 05:28 - Examples of the Nitrogen Cycle and Starting an Aquarium 09:40 - Easy Fish for Starting an Aquarium 10:12 - Means for Reducing Ammonia Levels in Water 10:56 - To be continued...