Can you over oxygenate a pond?
In a typical pond you could not have too much aeration, in certain circumstances you can get what’s called ‘super saturation’ which can be very dangerous to fish.
How do I know if my pond has enough oxygen?
Signs of Low Oxygen in Ponds
When a pond has enough oxygen, fish remain active and should eagerly consume food whenever they are fed. They will venture to various levels of the water column, exploring with ease and curiosity. A fully oxygenated pond should remain clean and clear.
How can I aerate my pond cheaply?
The windmill aerator is an effective way to aerate the water without using electricity. Powered by the wind, it requires a minimum of 3 to 5 mph of wind. When the wing whirls round quickly, it generates power, collects air, and pumps air into the pond.