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I think there is a leak in my water garden, but how do I know? | Decorative Ponds & Water Gardens Q & A

Q: I think there is a leak in my water garden, but how do I know?

Q: I think there is a leak in my water garden, but how do I know?

Abby – Pueblo, CO

A: What a conundrum! Determining whether you have a leak in your liner—and then finding and fixing it—can be a daunting task. But with a little detective work and these step-by-step instructions, your pond will be holding water again in no time.

A Leak or the Heat?

Let’s determine if you have a leaky pond in the first place. How much water are you losing per day? And what’s the temperature outside? On hot days, it’s common to lose up to an inch of volume from your water garden—but if it’s more than that, you may have a leak.

Finding the Leak

Common places for leaks to spring include around the pond’s perimeter, the area around your waterfall and pump, and your liner. When looking for the leak’s source, follow these steps:

Step 1 – Search for a Wet Spot: First, look for wet areas around the perimeter of your pond. Is water pooling somewhere? Are the weeds thicker or the grass lusher in one area than another? Check the low-lying areas where the liner may not be properly supported. If nothing looks amiss, head over to your waterfall pump.

Step 2 – Leak Check: The easiest way to determine whether the leak is in your liner or in your waterfall box is to turn off the waterfall pump (but keep your aeration going so the water stays aerated) and leave it alone for a few hours. When you come back:

  1. Is the water level the same? If so, your liner is not the culprit so you’ll need to check for problems with your waterfall box.
  2. Has the water level dropped? If so, you have a leaky liner. Jump to step 4.

Step 3 – Waterfall Worries: If your waterfall or waterfall box is the source of your leak, follow these steps to determine where the water could be escaping:

  1. Connections: First check the connections from the pump to the box. Are they loose and dripping, or are they tight?
  2. Cracks in the Box: Next, take a look at the waterfall box itself. Are there any cracks? Is the liner properly attached?
  3. Stream Leaks: Finally, inspect the rocks and liner around the waterfall and stream, making adjustments are needed. Try using some Waterfall Foam to stop water from flowing behind the rocks.

Step 4 – Your Leaky Liner: Finding a hole in a liner isn’t easy. But with a little perseverance, you can locate it and repair it. Here’s how:

  1. Track the Leak: Use Pond Logic® Pond Shade to visually track the leak. Simply add a few drops on the side and watch it as it finds its way to the leak. This will take some time, a few attempts—and patience.
  2. Let It Be: If you have trouble finding it with Pond Shade, let the water slowly go down. (Depending how low it goes, you may need to temporarily relocate your fish.) The water level should stabilize, which will allow you to visually inspect the first few inches of liner above the water surface for the hole.
  3. Repair the Leak: Once you find the hole, patch it up with self adhesive Liner Patch or use some Gold Label Pond Sealer.

Good luck with your search!

Pond Talk: Have you ever had a leak in your pond? How did you find out where it was coming from?

Control Water Flow - Atlantic® Waterfall Foam

Waterfall Foam – Decorative Ponds & Water Gardens Q & A

Waterfall Foam

Foam Sweet Foam

The key to constructing a quality water garden, or anything for that matter, is to use the proper tools. While you may be able to fashion a lot of your own components or incorporate random on hand materials into your pond build you can miss out on potential benefits that result from years of product testing and development as well as functional design. While this holds true for anything from skimmers, filter media, and waterfall boxes, it is also true of small scale materials like waterfall foam.

Waterfall foam is primarily used to aid in the placement and retention of stone in your water garden and to seal gaps between these stones to manipulate the flow of water down the waterfall and along the streambed. Simply put, the foam expands between your rocks keeping the water from flowing behind them. As the foam dries it also holds the rocks firmly into place so you don’t have to worry about stones washing downstream with the flow of water, rock collapse from seasonal shifting or the displacement of loose perimeter rocks.

12oz cans are available for one time use and include an application tip. You simply place the tip between gaps and crevices and pull the trigger to release product to the desired area. You can also use it as an adhesive to hold stones in place. Any excess foam that protrudes from between the rocks can easily be trimmed away. Another great aspect of using waterfall foam is that if you mess up, or decide to change the location of some of your rocks, you can still cut away the foam and re-arrange them. The foam is black in color to blend in with the surroundings and is plant and fish safe. For contractors, or those of you who change your minds a lot, you can purchase a Foam Gun and use 24oz cans which can be used in more than one application. If you decide to use a foam gun you will want to maintain it by cleaning it with Foam Gun Cleaner between uses.

POND TALK: Have you used Black Waterfall Foam in your water garden? Have you used it to create any unique rock formations or incorporated other natural materials into your stream?

Hold rocks in place with ease!

Finding a Leak in Your Liner – Water Garden Q & A

Picture of a Waterfall

Q: I opened my water garden up for the Spring/Summer and its seems as though I have a leak? But I don’t know where? Any suggestions? -Several Customers

A: Having a leak in your water garden can always be frustrating. I hope to shed some light on some great ways to detect where your leak is located.

1.) Bottom Leak - The first way to test for a leak is to turn off the waterfall system and check to see how far the water drops. If it drops all the way to the bottom of the pond, then we know for sure that the leak is on the bottom of the pond. This could be caused by a bottom drain or sharp rock edges. It would be suggested to place your fish in another place while checking this.

2.) Side Leak - If the system is off and the water level drops and seems to stay at a certain point, then there is a side leak. The best way to find a side leak is to wait until the water level stays at that certain point, fill the water garden up a 1/2″ or so and go around the edges with a food grade dark colorant or a cap full of milk. By doing this you will be able to see where the dye travels out of the water garden. You may have to shift some rocks around in order to locate exactly where the leak is. A liner patch will easily fix these types of leaks.

3.) Waterfall/Stream Leak – If you turn off your waterfall/stream/pump system and the water level doesn’t drop, then the leak is somewhere within that system. It could be water spilling over the edge of a stream instead of going back into the pond. The fittings on the waterfall or filter could be leaking. The Flex PVC or kink free tubing from the pump to the waterfall/filter could be leaking.

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