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Can a Fountain Provide My Pond Sufficient Aeration? – Pond & Lake Q & A

Picture of a “V” Patterned Fountain.

Pond & Lake Q & A

Q: I would really like to have a fountain in my pond and I know I need aeration. Will a fountain aerate my pond? – Nathan of Florida

A: Having a fountain in your pond is a great way to add tranquility to your home. To sit out on the deck and see a beautiful fountain display as well as hear that relaxing sound of water. 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 the fountain is using.

Pond’s Depth: Fountains can be great aerators when the pond is 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 picture above

If your pond is deeper than 6′ of depth, than the best method of aeration would be an Airmax® Aeration System. The Airmax® Aeration System diffuser will pump air down to the bottom of the pond, and the resulting column of rising bubbles lifts and aerates the water. By starting from the bottom, up, this will ensure that the whole body of water is properly circulated as well as aerated.

9 Responses

  1. Great article. Im currently looking into building a pond and have had a lot of questions of how to find the right pump and filter and whatnot. This really helps. thanks.

  2. Just wanted to say that I read your blog quite frequently and I’m always amazed at some of the stuff people post here. But keep up the good work, it’s always interesting.
    See ya,

    • Hi Robert,

      Thanks for the comment. That is what’s so great about ponds, its something everyone can enjoy no matter what level of experience or creativity you may have. The possibilites are endless!

  3. how deep does your water feature need to be for Koi fish and how many is safe for small area?

  4. PS. There is a timer that allows the fountain to be started and stopped automaticly.

  5. How many hours per 24 hr. period should a fountain be on? The fountain in our subdivision is loud and not tranquil in any way at all. We can’t sleep at night with the windows open because of the noise. We are told that the fountain “power/speed ” cannot be altered.

    • Norm Richards,

      We recommend to at least run the fountain for 8-10 hours when it comes to aeration. Longer if possible to keep the water moving. The more that the water is moving the better. If aeration is the biggest reason why you have fountains in the first place, if you wanted something more subtle you could use an Airmax Aeration System. Hope that helps!

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