Gutian City 2nd Tap Water PlantInstallation Time: Dec. 2019Place: Gutian City 2nd Tap Water PlantGutian city 2nd water plant is located in Cuiping lake, a beautiful spot.

What is Dissolved Oxygen (DO)?Dissolved Oxygen (DO) is the amount of oxygen dissolved in a unit of water. Oxygen gets into water by: diffusing within the surrounding air, aeration (turbulent movement), and as a waste product from plants through photosynthesis.