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Last update on September 13, 2026

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Avatar for Graceful, LLC
Graceful, LLC
3.9(
9
)
Water Feature - Install a Fountain or Waterfall

Serving Darien, WI and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"Graceful did an amazing job and were great to work with. They were very knowledgeable on how the deck was going to he built and had great communication throughout the whole project."
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+12

Response time1 day
Response rate100%
Recommended by87%of homeowners
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Fountains questions, answered by experts

In addition to length and width, pond liners also come in various thickness levels. Thickness is measured in mils, a unit of measurement equal to one-thousandth of an inch, with most pond liners ranging from 15 to 60 mils in thickness. The smaller the number, the thinner (and weaker) the liner. To prevent rips and tears, it’s best to choose a pond liner that’s at least 30 mils thick.

Deep clean your koi pond at least once a year to keep your fish healthy and your pond in good shape. Water testing, debris removal, and partial water changes should be performed weekly. Seasonal professional service will ensure everything is clean and functioning properly.

One of the most important parts of building a pond is digging the right depth. Your pond needs to be at least one to two feet deep. The specifics of the depth will depend on factors such as the placement of the pond and whether you plan on having fish. If you have fish in your pond, it will need to be at least two feet deep.

You have several options for your pond by getting your yard ready for the winter. You can winterize your koi pond by ensuring it’s at least 5 feet deep so it doesn’t freeze completely, installing a pond heater or aerator and having it run at all times, and installing a deicer if temperatures are dangerously low for an extended period. You can also choose to shut down your pond for the winter by removing all the wildlife in it and bringing it indoors, cleaning out the filter and pump, and then covering the pond with a tarp.

Yes, your fish should stay alive in a frozen pond if you winterize it properly. By ensuring your pond has enough oxygen, good water quality, and a hole to release harmful gases, your pond and fish have the best chance of staying alive and healthy. However, if you have tropical fish, they should be overwintered indoors.

The Darien, WI homeowners’ guide to fountain services

From average costs to expert advice, get all the answers you need to get your job done.

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