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What Type of Aeration System Do I Need? – Pond & Lake Q & A


Q: I know I need aeration in my pond, but I’m not sure what type of aerator is right for me? - Several Customers

A: We all know why ponds need some type of aeration system (If your not sure why ponds need aeration, read the article Aeration in the Summer Heat), but there are many types of aerators on the market from Bottom Bubblers to Fountains to Windmills. The type of aerator needed for a pond depends on a few factors.

Picture of the Airmax Aeration System

Airmax Bottom Bubblers: An overwhelming majority of ponds fit into the category of Bottom Bubbler aeration. This system comes with a cabinet that sits on the shore. The cabinet houses an energy efficient air compressor. This compressor is then connected to a 4-stick diffuser plate(s) that sits on the bottom of the pond. This 4-stick diffusers creates medium sized bubbles that not only allow for adequate aeration, but also circulation. Many pond owners assume that since power is not located by the shore of their pond, that a Bottom Bubbler will not work. Just to clarify, a Bottom Bubbler can be placed up to 1,000 feet from the pond using direct burial airline. To select which sized Airmax Bottom Bubbler aeration system will work for you, click here to read about it in our online catalog.

Picture of a Decorative Fountain at nightFountains: Fountains are a great aesthetic piece for any farm pond. Fountains rest on the surface of the pond, pull water from below and push it into the air to make a decorative spray pattern. Because of the way they are

designed, they will only pull water from about 6 feet down. When a pond is deeper than 6 feet it’s best to go with both a Fountain as well as a Bottom Bubbler to have adequate aeration. When the pond has a

depth of 6 feet or less then a fountain will act as both an aerator as well as a decorative piece. Please note: Depending on your pond’s size, you may need more than one Fountain to properly aerate.

Picture of a Windmill-Powered Aeration System

Windmill: Windmills are primarily designed for decoration. If a pond is located where no power is available, then a windmill is really the only option to allow for some aeration. It is important to keep in mind that windmills only come with one stone and do not cover a large area. Also, they need constant wind

to have constant aeration. Windmills are available in 12′, 16′ and 20′ towers. Windmills do not provide continuous aeration and should not be used as a direct substitute for electrical powered continuous aeration systems.

2 Responses

  1. Andre,

    An aeration system underneath your boat would definitely help keep the water moving and pushing the algae away from the boat. Another option you may want to use is a water circulator. Here is a link: Water Ciculator. Here is a illustration of how they can be mounted underneath the boat: Water Circulator Illustration. These water cirulators are perfect to keep debris, algae or ice away from your boat.

  2. I live on a large lake, boat and docks in a small cove 3-6 ft. deep. is there any info on whether or not a bubbler like this would help reduce the build up of algae on boat hulls if placed directly under boat. hull turns black after a few weeks in water and need acid to remove it in the fall when it comes out of water.
    some people use a boat lift but my location is not user friendly for installing and removing the lift in winter.

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