How to Tell If Your Pool Is Leaking: The Expert Guide for Manitoba Pool Owners
Is your pool losing water? Learn about pool leak detection, key signs of a pool leak, and how to find & fix them. Save water and money!
Have you noticed your pool water level dropping, but you’re not sure if it’s just a scorching Manitoba summer or the sign of a sneaky pool leak? Every pool owner, whether you have a vinyl liner or a concrete pool, will sooner or later wonder: is this normal evaporation, or do I need professional leak detection? This guide from Leak Detection Manitoba unpacks exactly how to tell if your swimming pool is leaking, what warning signs to watch for, and the smart steps you can take to protect your investment and keep your pool crystal clear.
Why read on? Understanding pool leaks could save you water, prevent expensive repairs, and help you enjoy worry-free pool care—even through the hottest summer weeks.
How Much Water Loss Is Normal in a Pool?
Before you panic, know that water loss is natural for every pool. In Manitoba’s sunny summers, evaporation can make your pool water level drop up to a quarter inch a day, or several inches per week in dry, windy conditions. But if your pool loses more than an inch of water per day, you might have a leak on your hands—not just regular evaporation.
A straightforward way to check is to mark the water level at night and compare it the next evening, especially if rain is unlikely.

What Are the Classic Signs of a Pool Leak?
Here are the top signs of a pool leak for Manitoba pool owners:
- Rapid or uneven water loss (especially a sharp drop overnight)
- Soggy or wet areas around the pool deck or in the yard
- Noticeable cracks in your pool wall, floor, or vinyl liner
- Air bubbles coming from the pool return or visible in the skimmer, which may indicate a suction-side leak
- Needing to add more water to your pool each week than usual
- Pool equipment or the pool pump losing prime or “gulping air”
If you spot one or more, there’s a good chance your pool is leaking and it’s time to dig deeper.
What Is the Bucket Test and How Does It Work?
The bucket test is an easy, DIY way to rule out evaporation as the main cause of pool water loss. Here’s how to perform a bucket test:
- Fill a bucket with pool water and set it on the second step of your pool.
- Mark the water level inside and outside (on the pool wall).
- Run your pool as normal for 24 hours.
- Compare both marks. If the level outside the bucket drops more than inside, your pool has a leak; if they drop the same, loss is likely evaporation.
This test works for all pool types, including vinyl liner pools, gunite pools, and above-ground setups.
How Do You Find a Leak in a Vinyl Liner?
A leak in your vinyl liner can be hard to spot but may lead to significant water loss. Start by inspecting for tears, pinholes, or stretches—especially around steps, skimmers, or fittings. Use a vinyl patch kit for small tears and always check for bubbles in the liner, which can show water has seeped behind it.
For pinpointing tough leaks, professional leak detection dye is often used. By gently squeezing dye near suspicious spots, you can see if it’s pulled into the liner—indicative of a leak.
Can Pool Equipment or Plumbing Cause Water Loss?
Absolutely—leaks aren’t just about pool structure. Piping, joints, and equipment like the pool pump or filter are common sources of pool leaks. Signs include:
- Puddles near the pool equipment pad
- The pool loses more water when the pump is running
- Air in the system or loss of pressure
Sometimes, a professional pressure test or plumbing leak detection is required to trace invisible water loss in underground pipes.
When Should You Try a Dye Test?
The dye test is a classic for leak detection near fittings, steps, and cracks. Using a syringe or squeeze bottle, carefully add dye close to the suspected leak with your pool pump off. If the dye moves toward a crack or fitting, that’s a sign of a leak!
This is also helpful for skimmer leaks and plumbing joints on both vinyl liner pool and concrete pool finishes.
Why Are Wet Areas Around the Pool a Red Flag?
If you see wet patches, sinking soil, or growing moss near your pool deck, these are classic signs water from your pool is going underground through a hidden leak. Such loss of water can weaken the pool’s support—the sooner it’s found, the less likely you’ll face expensive repairs.
Can Water Level Fluctuations Be Related to the Pool Pump or Skimmer?
Water level drop can sometimes change based on the pump schedule. If your pool loses water when running, you might have a pressure-side plumbing leak. If levels drop more when the pump is off, suspect a suction-side or skimmer leak.
Noticing air bubbles in returns? That’s another clue of a line or skimmer issue. These leaks can cause your pool to lose far more than normal evaporation.
What Should You Do If You Suspect a Leak?
- Perform a bucket test to check for abnormal loss
- Inspect skimmers, returns, and your vinyl liner
- Try a dye test at suspicious spots
- Watch for wet ground near the pool area
- Call a pool professional—like Leak Detection Manitoba—for expert diagnosis using Leaktronics technology
Professional help is the smart move, especially when leaks are hidden, underground, or complicated by equipment.

How Can Leak Detection Manitoba and Leaktronics Technology Help?
As Manitoba’s leader in leak detection services, Leak Detection Manitoba combines deep knowledge of local pools with state-of-the-art Leaktronics tools. Our leak detection equipment can:
- Listen for leaks in walls, plumbing, and under the pool deck
- Use pressure testing and dye methods for a full system check
- Provide precise repair options so you can keep your pool running smoothly
We specialize in both backyard and commercial pool leak issues—no problem is too large or small.
Key Takeaways: How to Tell If Your Pool Is Leaking
- Small, steady water drops are OK—large, fast drops mean trouble.
- Bucket tests and dye tests are easy at-home checks if you suspect a leak.
- Wet patches, bubbles, losing more than an inch of water per day, or liner tears all hint at leaks—not evaporation.
- Equipment, plumbing, and skimmers are just as likely leak sources as the pool wall or floor.
- For the most reliable results, call Leak Detection Manitoba for pool leak detection services using Leaktronics equipment.
If you’re worried your pool is losing water, don’t wait: checking early keeps your pool healthy, prevents larger repairs, and helps keep those Manitoba summers fun, splashy, and stress-free!
August 13, 2025
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