**Conclusion**
Promoting and monitoring fish tank oxygen levels is essential for the health and well-being of your aquatic pets. By installing an air pump, maintaining proper water circulation, and incorporating live plants and algae, you can enhance oxygen levels in your tank. Regularly testing oxygen levels using an oxygen test kit and observing fish behavior can help you monitor and address any fluctuations or deficiencies. By following these guidelines and addressing common questions, you can create a thriving and healthy environment for your fish.
