Pond Boss Forums MANAGING AN EXISTING POND Evaluating and adjusting fish populations Bruce , CB1 and Bill - Male BG update

For Reference I checked the DO on Sept 4-5 in may larger pond that has the male bgills. At dusk at the surface DO was 7.8 after the aerator had run several hours. The next morning at 8:00am DO near the same spot was 6.5-6.7. Very little decrease in DO overnight which indicates to me that the biological oxygen demand (BOD) at the surface is fairly low in my pond. Aerator did not run during the night.