راه‌اندازی آکواریوم از صفر | چه زمانی ماهی اضافه کنیم؟ (سیکل آب) | قسمت ۳

In this video from the series on setting up an aquarium from scratch, we reach the third part; where one of the most important questions is answered: How do we know if an aquarium is cycled and when can we add fish? In this part, you will learn: • What is the nitrogen cycle and why is it vital for fish survival • Signs of a cycled aquarium (with and without testing) This training is based on practical experience and is suitable for complete beginners and enthusiasts. 📌 Previous parts of this series: • Part 1: Setting up an aquarium from scratch (choosing a tank and equipment) • Part 2: Watering, bactericidal treatment 🔔 In the next part: Proper nutrition in the first weeks and tips that cause the aquarium cycle to be lost. If you have any questions or experiences, be sure to write in the comments section 👇 Support educational content by subscribing and liking