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20 x 25 Large Koi Pond Kit 5500 GPH Pump Big Bahama 26 Inch Waterfall and PondBuilder Skimmer LH2

Backyard garden pond kits are the easiest way to get started creating your perfect backyard retreat. There are lots of choices and sizes available. Hopefully this review will help you choose the right backyard pond waterfall kit for you.  The pond featured in the DIY tutorial was a kit. The specs can be found below. If you aren’t a seasoned professional, it takes a lot of the guess work out of selecting the right equipment. Another reason to go this route would be the assurance that all the parts will go together, and you have everything you will need to complete your project.

Patriot Large Koi Pond KitIncluded with this kit:

  • 20’ x 25’ 45mil Anjon Lifeguard EPDM pond liner
  • 20’ x 25’ Underguard geotextile underlayment
  • Big frog Eco drive 5,500 GPH pump
  • 26” Big Bahama filtering waterfall
  • Pondbuilder 8” skimmer
  • 25’ of 2” flexible pipe
  • waterfall foam
  • 1 submersible light
  • 1 check valve
  • Starter bacteria
  • All necessary fittings, hardware and installation instructions

This kit will build a typical 13’ x 18’ fish pond with an average depth of 3’. The perfect size to keep fish. This will be a 5,250 – gallon pond. Keep in mind it’s easier to maintain a larger volume of water than a smaller one due to the fact that less water allows for big swings in the health of the water and temperature.

20’ x 25’ 45mil Anjon Lifeguard EPDM pond liner – This is the choice of professional pond builders and do it yourselfers alike. This pond is warranted for life as long as it is used in conjunction with the provided underlayment.

big frog pumpBig frog Eco drive 5,500 GPH pump – This pump has high quality seals, and uses no oil so it is safe for fish. Contains an overload sensor to prevent pump burn out. It is engineered for 24-hour continuous use. Low energy consumption, and will pass through objects up to ¼”.

exploded view big bahama waterfallBig Bahama filtering waterfall – The BB2600 is from Atlantics’ pro series. It offers a 2” bulkhead for maximum water flow. This unit provides biological water filtration. The bio-tech mats help in creating ecosystem balance. This unit can be easily hidden into the landscape, while at the same time giving you ease of access which aids in routine maintenance. Comes with a lifetime warranty for the enclosure. Dimensions: 34.5” L x 25” W x 23” H

Pondbuilder 8” skimmer – From Pondbuilders’ Elite series, these are designed to skim away any debris before it has a chance to fall to the bottom of your pond. This skimmer offers 2 stage mechanical filtration, when working in conjunction with the biological filtration provided by the waterfall unit, creates a perfect balance for a crystal clear pond. This skimmer box houses the pump and protects it. The Pondbuilder skimmer also comes with a natural cover lid to blend into the surrounding landscape.

backyard waterfallWaterfall Foam – This is essential when building your pond with a waterfall. The foam is used to make sure the water flows over your falls, and not behind it. Also it is vital to add to the stability of your stone and rock work, stabilizing as you build. The dark grey foam is easily camouflaged into the landscape.

Submersible Light – This extends your enjoyment of your water feature into the evening and night hours. Low energy consumption and bright light. Watch your fish swim at night.

Check Valve – This attaches to your pump to prevent water from flowing backwards from your waterfall into your skimmer box if there is ever a power failure.


  • Price
  • Convenience


  • Realizing you should have gone bigger!

The Verdict:

This Kio pond kit truly is everything you need to get your pond up and running besides the rocks. Above is a picture of what can be accomplished using this pond kit.  When priced individually this kit would cost upwards of $1,600 and that’s not even including all the pipe fittings and light. Save yourself time and money, and do what I did. Purchase a pond kit for your project, and start building your at home getaway today! If you have any questions or comments, please leave them below and I will get back to you. Best of luck on your future projects!

About the author


I love being outdoors and hands on DIY. If you share my passion, you are in the right place. If I can help one person surprise themselves with the success of a project, then this website is a success.

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  1. As a DIYer I am always looking for ways to do all my projects myself. I love the step by step instructions you gave for this project.

  2. Oh, wow! Have you ever hit on something my wife has been wanting. We’re in the middle of remodel and she wants a sprinkler installed and a pond with a waterfall.

    It’s great how you have laid everything out and even added pros and cons with this system. It’s just the kind of information I need.

    Thank you

    1. You get everything but the rocks with these kits. Your only limit is your imagination. There are other sizes to choose from, but this one is big enough to keep koi in. Good luck with your “honey do” list.

  3. Wow, this is amazing! Thanks for highlighting all the important stuff, such as the good price and how much convenience this thing offers. I’m all for the best deals, so I’m super glad I come across this article. At least I know what I’ll be receiving now, thanks to you!

  4. Thanks for all the awesome info! I would really like put in a pond in my backyard and with your suggestions it seems affordable, but I live in a very hot and dry climate. I’m afraid the fish won’t survive the summers.. is there a way to regulate the temp or prevent it the water from getting to hot?

    1. I have a couple suggestions for your problem, one would be to build your pond in the shade to keep it as cool as possible. You could build an arbor or use a tall planting of some sort to keep it out of direct sunlight. The other would be to build your pond deeper than average so the fish could swim down to cool off. It isn’t just the heat that could harm the fish, it’s also the depletion of oxygen when the water gets too warm. To solve this, install some aerators that are located inside your home, so they are supplying cool air into your pond.

  5. Hey Jeff, oh my goodness, my son will love this review! I totally love your Con, should have gone bigger. Do you have images of the ponds, end result of these products? I’m a girl and like to see the pretty end results.

    1. You can never go to big when it comes to a pond! Yes, because of your comment, I’ve added a picture to my post so people can see what is possible with one of these kits.

  6. As a keen gardener myself i have been considering building a pond in my garden with a reliable pump. The patriot looks reliable but i am also looking at some others on the market. I will definitely visit your site again to compare prices.

    1. Most of the pumps on the market will serve you well. My advise would be to stick with one of the major brands that has the features and power you are looking for. Hope this was helpful.

  7. The pond kit is just awesome, though a little small, Might need a bigger one with time. It saves a lot of money though to build one yourself.

  8. I’ve been trying to convince my mom to let me install a little pond in her garden, and this looks like the perfect kit to start with! I honestly didn’t even know there were kits for it, so I’m glad I found your website here, this will save us a lot of money

    1. These kits are great. They have all you will need, except the hard work! Good luck on your project, and if you run into any hiccups feel free to stop back and I will be glad to help.

  9. What a fantastic idea. I really like the idea of a kit rather than buying all the components individually. One question though: Does it only work in 3′ of water or will the pumps work in shallower ponds? Cheers, Karen

    1. To answer your question Karen, the pond kit can be used to make any depth you desire. The only stipulation is the pond must be at least as deep as your skimmer box, about 18″ deep. The pump will operate just fine with the water being that deep. If you do make your pond shallower, then you can use the same amount of liner and make the pond larger in surface area. If you are going to keep fish in your pond, I recommend making it a bit deeper than 18″. If you are just using it as a strict water feature for plants and such then the shallower pond would be fine.

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