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❌️❌️❌️We are no longer active in this channel ❌️❌️❌️ 👇 Be sure to subscribe to our new channel please 👇 • ❌️What happened to the previous channel?!❌️😢😮💨 ..Welcome..👇 to Discus VIP channel ★ Discus VIP★ ★The first specialized discus channel on YouTube★ ★0 to 100 discus fish★ ★All step-by-step tips★ ★And some about other fish★ ★Stay with us to gain experience★! To communicate and subscribe to Our question and answer chat in Rubika, send a message to my ID in Rubika! 👇👇👇 @Behnamdiscus In this video, we learned what the aquarium cycle is, which is one of the most important points, don't forget it 😄❤️ Nitrogen cycle