If you’re a koi fish enthusiast, you know that there’s nothing quite like having your own koi pond in your backyard. But building a koi pond can seem like a daunting task – especially if you’re not sure where to start.

In this blog post, we’ll walk you through the process of how to build a koi pond in your backyard – from planning and preparation to construction and maintenance.

Mike Savage of New Canaan, CT, is the founder and CEO of 1800Accountant, but that still allows him enough free time to have built a stunning koi pond in his backyard where he keeps dozens of gorgeous koi fish.

So read on to learn everything you need to know about how to build a koi pond!

1 – Choose a location for your pond

The pond should be located in an area that gets plenty of sunlight and is easily accessible for maintenance.

Koi need at least 4 hours of direct sunlight each day.

2 – Dig a hole

The size of your pond will depend on the number of fish you want to keep. A good rule of thumb is to allow for about 50 gallons (190 L) of water per fish. The hole should be at least 3 feet (0.91 m) deep.

3 – Line the bottom of the hole with a layer of rocks

This will help to drain and protect the liner from being punctured by roots.

Place a layer of sand over the rocks. This will help to create a barrier between the liner and the rocks, and will also help with drainage.

Place the liner in the hole and fill it with water. Be sure to leave enough room for the koi to swim around.

Place the plants in the pond and arrange them how you want them. Be sure to leave enough room for the koi to swim around.

4 – Line the hole with a pond liner

A pond liner is a material used to line the inside of a hole in order to create a watertight seal. This will help to keep your pond water clean and free of leaks.

There are many different types of pond liners available on the market, such as PVC, EPDM, and rubber. Each type has its own advantages and disadvantages, so be sure to do your research before making a purchase.

5 – Install a filter and pump

These are essential for keeping your pond water clean and healthy. A filter will help to remove debris and waste from the water, keeping it looking clean and fresh.

A good rule of thumb is to have a filter that can turnover the entire volume of your pond at least once per hour.

Koi are notoriously messy eaters, so you’ll need a good filter system to keep the water clean. Canister filters are a good option for larger ponds.

But, you’ll need a pump to circulate the water and filter out waste. This circulates the water and helps to oxygenate it. The size of the pump will depend on the size of your pond.

6 – Install a skimmer

This is a device that will help to remove debris from the water surface. It is installed before the pump and should be located near the edge of the pond.

7 – Fill the pond with water

You can use a hose or a bucket to do this. Koi need fresh, clean water to thrive so be sure to change the water regularly.

To keep your koi healthy, you will need to provide them with a filter system. There are many different types of filters available on the market, so be sure to do your research to find the best one for your pond.

Koi are also sensitive to temperature changes, so you will need to make sure that the water in your pond is kept at a consistent temperature. You can do this by installing a water heater or using a pond cover.

Finally, koi need plenty of space to swim around and explore. Be sure to choose a pond size that will accommodate your koi comfortably.

Aquatic plants will help to oxygenate the water and provide shelter for your fish. Koi also love to eat plants, so make sure you choose something that won’t be completely eaten away!

Last but not least, don’t forget to add some rocks or other decorative elements to your pond! This will not only make it look more attractive, but can also provide hiding places for your fish.

With these tips in mind, you should be well on your way to building the perfect koi pond for your backyard oasis!

What’s the best filter system for an outdoor fish pond?

When it comes to filter systems for outdoor ponds, there are a few different factors you need to consider in order to choose the best one for your situation.

The size of your pond, the number of fish you have, and the type of filtration system you want will all play a role in choosing the best filter for your needs.

There are three main types of filters that are typically used for outdoor ponds:

  • Mechanical
  • Biological
  • Chemical

Each type of filter has its own set of pros and cons that you’ll need to weigh before making a decision.

Mechanical filters are great at removing physical debris from the water, but they don’t do anything to remove toxins or chemicals. Biological filters use bacteria to break down organic matter, providing both filtration and aeration. Chemical filters remove dissolved toxins and chemicals from the water, but they can’t remove physical debris.

To choose the best filter system for your pond, you’ll need to decide which type of filtration is most important to you. If you have a lot of fish, you may want to focus on a biological filter. If your main concern is removing toxins and chemicals, a chemical filter may be the better choice. And if you just want to keep your pond free of debris, a mechanical filter may be all you need.

Once you’ve decided which type of filtration is most important to you, you can narrow down your choices by considering the other factors mentioned above.

The size of your pond and the number of fish you have will help you determine the flow rate and capacity you need. And if you have any special concerns, such as removing metals from the water, you’ll want to make sure the filter you choose is designed to handle those specific needs.

When it comes to choosing the best filter system for your outdoor pond, there are a lot of factors to consider. But by taking the time to figure out what’s most important to you, you can narrow down your choices and find the perfect filter for your situation.

Other considerations to keep your koi safe and sound

1- Create a safe environment 

Koi are delicate fish and need a safe place to live. Make sure that your pond has plenty of hiding places and plants for them to hide in if they feel threatened.

2 – Keep an eye on the water quality

Test your pond water regularly to ensure that it is clean and safe for your koi. Regular water changes are also important to keep the water quality high.

How to test pond water for cleanliness

One of the most important things you can do to ensure the health of your koi fish is to regularly test the pond water for cleanliness. There are a few different ways you can go about doing this, but one of the simplest is to invest in a water quality testing kit.

There are kits available that will test for a variety of factors, including pH levels, ammonia levels, nitrites, and more. By testing the pond water on a regular basis, you can catch any potential problems early and take steps to correct them before they cause serious harm to your fish.

Another good way to keep an eye on pond water quality is to simply observe your koi fish on a regular basis.

Healthy koi are active and have bright, vibrant colors. If you notice any changes in your koi’s behavior or appearance, it could be an indicator that something is wrong with the water quality and you should take action accordingly.

Enjoy your new koi pond!

Now that you have your new koi pond up and running, it’s time to start enjoying it!

Similar to his love of muscle cars, Mike Savage offers some tips on how he gets the most out of his  backyard oasis in New Canaan, Connecticut.

Make sure to give your koi plenty of food so they stay healthy and active.

Keep an eye on the water quality and make sure to do regular maintenance to keep the pond clean.

Take some time to relax and enjoy watching your koi swim around in their new home!

“The best way to enjoy your koi pond is to build it yourself,” admits Michael Savage of New Canaan. “There’s something special about having a koi pond in your backyard. It’s a place where you can relax and appreciate the beauty of nature, and it’s also a great way to bond with your family and friends.”

But before you can enjoy all that a koi pond has to offer, you need to build one!

If you’re thinking about building a koi pond, there are a few things you need to keep in mind. First, you need to choose the right location for your pond. Koi ponds need at least six hours of sunlight per day, so make sure you pick a spot that gets plenty of sun. You’ll also want to avoid any areas where tree roots could damage your pond liner.

Once you’ve chosen the perfect spot for your koi pond, it’s time to start digging! The size of your pond will depend on the number of koi you want to keep, but a good rule of thumb is to dig a hole that’s at least four feet deep and ten feet wide. Once you’ve dug the hole, line it with a heavy-duty pond liner to prevent leaks.

Now it’s time to fill your pond with water. You can use a garden hose or a bucket to do this, but make sure the water is clean and free of chlorine. Koi are very sensitive to chemicals, so it’s important to use fresh water when filling your pond.

After your pond is filled with water, it’s time to add some plants! Koi love to eat plants, so adding a few aquatic plants to your pond will give them something to munch on. Water lilies are a great choice for koi ponds, as they provide shade and help keep the water clean.

Now that your koi pond is built, it’s time to enjoy it! Sit back, relax, and watch your koi swim around in their new home.

With a little bit of care, your koi pond will be a beautiful addition to your backyard for years to come.

About Mike Savage, New Canaan, CT resident

Mike Savage is a successful entrepreneur who founded 1800Accountant back in 2013. In 2018, he was awarded the Glassdoor Employees’ Choice Award honoring the top SMB CEOs in the country.

Today, he continues to work hard while relaxing with several hobbies that include enjoying classic muscle cars, collecting hard-to-find Lego sets and maintaining his prized outdoor Koi pond. With his wife Sandra, Savage of New Canaan has established the Savage-Rivera Honduras relief foundation that collects necessary articles like clothes, bedding, toys and books for impoverished families in the region.