Diffused aeration systems are a great way to keep your pond, lake, fishery or reservoir in the best condition.
During warmer periods water bodies will tend to suffer from thermal stratification, which occurs when the water in your pond, lake or reservoir becomes separated into layers. The top layer will contain oxygen-rich, warmer water whilst the bottom layer is comprised of cooler, oxygen-deficient water. These two layers are separated and this is known as a thermocline. The reason the top and bottom layer do not mix is because of the differences in density within the thermocline.
What is thermal stratification?
How does a diffused aeration system work on a pond or lake?
Diffused aeration systems work by pumping air through the membranes in the form of millions of tiny bubbles, as these bubbles travel to the water surface through the layers of thermal stratification they carry (entrain) cooler, oxygen-deficient water from the bottom layer up with them, this water then becomes naturally oxygenated as it reaches the surface.
From the circulation and aerating of the lower levels, toxic gases that would normally be trapped in the lower layer can be released provided a balanced habitat for aquatic life. This process creates healthy aerobic conditions at the lower levels of the pond or lake where microbial processes can naturally break down nutrients that would otherwise be used to produce noxious aquatic weed and algae, which clogs up your lake or reservoir and reduces water quality substantially.
A diffused aeration system maintains ecological balance and helps wildlife in winter
As well as creating an ecological balance within your pond or lake, the use of a diffused aeration system throughout the winter will keep areas open during the freezing months for birds and other wildlife.
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