Pond Aeration

Written by Michael O'Brien
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Pond aeration refers to the way in which oxygen gets into the water of a pond. Natural pond aeration occurs through water flow. Moving water aerates bodies of liquid allowing them to contain and circulate the gases fish and plants needs to live. Don't forget that fish need oxygen the same as land creatures do. Underwater plants also need the carbon dioxide that fish exhale just like plants above ground do. It's simply the way in which these life forms absorb these gases that differs from the way we do.

Pond Aeration Info

Pond aeration is important to maintain the life of a pond. Pumps and filters help to aerate a pond by creating water flow while circulating impurities out of the environment at the same time. Waterfalls and fountains also provide plenty of aeration. The more water that is flowing and falling, the more aeration there will be.

It's crucial to be aware that too much aeration in a garden pond can be a bad thing. This is why you have to watch out with waterfalls and fountains. If fish and plants are involved, the waterfall or fountain should be as unobtrusive as possible. A torrent of water will create a lot of aeration and this will be hard on the plants and animals.

Imagine constantly being outside in a wind storm or tornado and you will have an idea of what life will be like for fish and plants in a pond where they are being constantly bombarded with strong rushing or falling water. Plants don't get a chance to properly take root and fish life spans are severely curtailed by the stress. The extra oxygen in the water caused by over aeration is also unhealthy for fish to breathe.

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