A leaking pool skimmer can cause significant water loss and lead to costly repairs if left unaddressed. Whether you're noticing your pool's water level dropping or suspect a leak around the skimmer, this guide will help you understand the causes, detect the problem, and fix it effectively. At Tobia Pool Care in Lake Worth, FL, we specialize in pool leak detection and repair using advanced equipment like Leaktronics to ensure your pool stays in top shape. Read on to learn how to protect your investment and enjoy a worry-free swimming experience!
What Is a Pool Skimmer and Why Does It Matter?
A pool skimmer is an essential component of your swimming pool's filtration system. It pulls water into the filtration system, capturing debris like leaves, bugs, and dirt in the skimmer basket before they reach the pool pump. A properly functioning skimmer ensures clean and safe pool water.
However, when a skimmer begins to leak, it disrupts this process and can cause your pool’s water level to drop. Left unchecked, this can lead to structural damage or costly repairs.
How Can You Tell If Your Pool Skimmer Is Leaking?
Detecting a leak in your skimmer can be tricky but not impossible. Here are some signs:
- The water level drops even when the pump is off.
- You notice cracks or gaps around the skimmer box.
- Water collects near the pool or around the skimmer area.
If you suspect a leak, conducting a dye test is an effective way to confirm it.
What Causes a Pool Skimmer Leak?
Several factors can lead to leaks in the skimmer:
- Cracks in the Skimmer Housing: Over time, wear and tear or shifting ground can cause cracks in the plastic skimmer or its housing.
- Damaged Skimmer Gasket: The gasket that seals where the skimmer meets the concrete or vinyl liner can deteriorate.
- Skimmer Pulling Away from Concrete: In-ground pools encased in concrete may experience gaps forming around the skimmer due to settling.
Understanding these causes helps you pinpoint the source of the leak more effectively.

How to Perform a Dye Test for Leak Detection
Conducting a dye test is like solving an old-time mystery—you’ll literally catch the leak red-handed! Here’s how:
- Turn off your pool pump to ensure still water.
- Add red food coloring near suspected cracks or seams around the skimmer.
- Watch closely—if you see the coloring being pulled into cracks or gaps, you've found the source of the leak.
This simple test helps determine whether you need minor repairs or professional assistance.
Why Is the Water Level Dropping Around the Skimmer?
A dropping water level is often one of the first signs of a leaking pool skimmer. If your pool’s water level drops below an inch above the skimmer opening, it could indicate:
- A crack at the bottom of the skimmer.
- A compromised seal where the skimmer meets concrete.
- A malfunctioning weir that disrupts water flow into the skimmer.
If your water level continues to drop even with regular refilling, it’s time for professional leak detection services.
How to Fix a Leak in Your Skimmer Gasket
The gasket seals where your skimmer face meets your pool wall (or vinyl liner). Over time, these gaskets can wear out and cause leaks. Here’s how you can fix it:
- Remove the cover from the skimmer box and inspect for damage.
- Replace worn-out gaskets with new ones specifically designed for your pool type (e.g., Hayward).
- Apply sealant if necessary to ensure a watertight fit.
Replacing a damaged gasket is one of the simplest ways to stop leaks around your skimmer.
Can Pool Putty Help Stop the Leak?
Pool putty is an excellent temporary solution for minor cracks or gaps around your skimmer box. This epoxy-based material hardens underwater and seals small leaks effectively.
To use pool putty:
- Knead it until pliable and apply it directly to cracks or seams around your skimmer housing.
- Allow it to cure according to manufacturer instructions before refilling your pool with water.
While effective for quick fixes, professional repair may still be needed for long-term solutions.
When Should You Replace Your Skimmer Box?
Sometimes, fixing a leaky pool skimmer isn’t enough—especially if there are extensive cracks or if the plastic skimmer has pulled away from its concrete encasement.
Signs that you may need a new skimmer include:
- Large cracks that are too big for epoxy or sealant.
- Persistent leaks despite multiple repairs.
- Structural damage caused by shifting ground near your pool.
Replacing one skimmer may seem daunting but ensures long-term durability for your swimming pool.

Why Professional Leak Detection Services Are Essential
While DIY methods like dye tests and epoxy repairs are helpful, they may not always locate hidden leaks or address underlying issues effectively. This is where professional services come in.
At Tobia Pool Care, we use industry-leading Leaktronics equipment for precise leak detection. Our advanced tools help us find even elusive leaks in inground pools without causing unnecessary damage.
How Tobia Pool Care Can Help with Pool Skimmer Repairs
As Lake Worth’s trusted provider of pool maintenance and repair services, Tobia Pool Care specializes in fixing leaks in swimming pools efficiently and affordably:
- We conduct thorough inspections using cutting-edge technology.
- Our team repairs everything from damaged gaskets to cracked concrete around your skimmers.
- We offer personalized solutions tailored specifically for your pool’s needs.
Don’t let leaks ruin your summer fun—contact us today for expert assistance!
Key Takeaways
Here are some important points to remember about leaking pool skimmers:
- A leaking pool skimmer can cause significant water loss and structural damage if ignored.
- Common causes include cracked housing, worn-out gaskets, or gaps forming due to settling ground.
- Conducting a dye test helps locate leaks effectively.
- Temporary fixes like epoxy or pool putty work but may require professional repair for long-term results.
- Tobia Pool Care offers expert leak detection using advanced tools like Leaktronics for precise results.
Protect your investment by addressing leaks promptly—your swimming pool deserves nothing less! Contact us today to get started!