is added to water can be considered a type of water aeration. There are many ways to aerate water, but these all fall into two broad areas - surface aeration and subsurface aeration. A variety of techniques and technologies are available for both approaches.

Natural aeration

Natural aeration is a type of both sub-surface and surface aeration. It can occur through sub-surface aquatic plants. Through the natural process of photosynthesis, water plants release oxygen into the water providing it with the oxygen necessary

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