How to Measure Dissolved Oxygen

The video tutorial explains the importance of dissolved oxygen for aquatic life, such as fish and oysters, and how its absence defines dead zones. It demonstrates how to test for dissolved oxygen using a test tab and a sensor, highlighting the significance of maintaining balanced oxygen levels to prevent algae overgrowth and ensure healthy ecosystems. The tutorial concludes with a practical demonstration of measuring dissolved oxygen levels, emphasizing the importance of this knowledge for environmental monitoring.

What new insight or understanding did you gain from this video?