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I love the look of a fountain but does it provide sufficient aeration for my pond? | Ponds & Lakes Q&A

Q: I love the look of a fountain but does it provide sufficient aeration for my pond?

Q: I love the look of a fountain but does it provide sufficient aeration for my pond?

John – Wapakoneta, OH

A: Sitting out on the deck and viewing a beautiful fountain display as well as hear that relaxing sound of water is pond enjoyment to us. Having a fountain in your pond is a great way to add tranquility to your home. What more could you ask for?

Many people are drawn to a fountain’s show-stopping appeal, but will they aerate a pond as well? The answer to this really depends on a couple factors: the pond’s depth and the type of fountain pattern.

Pond Depth: Fountains can be great aerators when the pond has less than 6′ of depth. The reason for this is because the best way to aerate is to circulate the whole body of water at the same time. A fountain will only draw water from the top of the water column, which is water that already contains oxygen from the air to water oxygen transfer. The pond’s bottom will remain untouched if it is deeper than 6′. If your pond is less than 6′ deep, then all you have to worry about is the spray pattern.

Fountain Spray Pattern: The spray pattern of a fountain makes a huge difference in how much aeration is produced. Usually the more decorative the spray pattern, the less likely it is to aerate your pond properly. This is because more energy is spent on creating the decorative pattern than there is moving the water. The best spray pattern to use for a fountain is a “V” patterned fountain like the Kasco VFX series fountain.

Because of the varying fountain choices there are some rules of thumb to go by. When using a fountain for aeration purposes, you want around 1.5HP per acre. If using a fountain only for decoration, go for 1 HP per acre.

If your pond is deeper than 6′ of depth, than the best method of aeration is an Airmax® Aeration System. The Airmax® Aeration System will pump air to the diffuser plate located at the bottom of the pond, and the resulting column of rising bubbles lifts and aerates the water. By starting from the bottom, this will ensure that the whole body of water is properly circulated as well as aerated. Airmax® Aeration Systems have lower operating costs than running a fountain 24-7.

Pond Talk: What type of aeration system do you have?

Add Serenity & Beauty To Your Pond - Kasco VFX Series Fountains

Will a Fountain Aerate My Pond? – Pond & Lake Q & A

Picture of a Fountain

Q: Will a fountain aerate my pond? - Several Customers

A: When it comes to fountains, I always tell customers that they are more for decoration than they are for aeration, but there are exceptions. Since fountains rest on the water’s surface, they tend to only pull water from 6′ of depth or less. Thus, if the pond is no more than 6′ deep at the deepest point, a fountain becomes an option for aeration. If the pond’s depth is greater than 6′ of depth than a bottom bubbler aerator would be our recommendation. The best aeration concept would be the use both. By placing a bottom bubbler underneath a fountain, you create the ideal conditional for total pond aeration.

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