5 Must-Know Causes of Swimming Pool Leaks and How to Repair Them

Swimming pool leak repair under equipment

Swimming pools are a great addition to any home, providing a refreshing escape from the summer heat. However, maintaining a pool is no small feat, and leaks can be frustrating and costly. If you’ve noticed your pool losing water faster than usual, you likely have a leak.

Fortunately, most leaks can be fixed with a little bit of know-how. In this article, we’ll explore the five most common causes of swimming pool leaks and provide tips on swimming pool leak repair. From simple solutions like replacing a worn-out O-ring to more complex tasks like repairing a cracked pool shell, we’ll cover everything you need to know to get your pool back in tip-top shape.

So, whether you’re a seasoned pool owner or a new one, read on to discover the most common causes of swimming pool leak repair and how to fix them like a pro.

Signs of needing swimming pool leak repair

Before we dive into the causes and solutions of swimming pool leak repair, it’s important to know how to detect them. There are several signs that your pool may be leaking, including:

  • 1. Decreased Water Level
    • If you notice that your pool’s water level is continuously dropping, you likely have a leak. Remember that some water loss is normal due to evaporation and splashing, but if you’re refilling your pool more frequently than usual, you need to investigate further.
    • As always, we highly recommend doing a pool bucket test. Click here to learn how to do one! ūüĎą
  • 2. Cracks in the Pool Deck
    • If there are cracks in the pool deck around your pool’s perimeter, water may leak out from underneath the pool.
  • 3. Excessive Water Bills
    • If you have a leak, you’ll likely use more water than usual to fill your pool. This can result in higher water bills.
  • 4. Algae Growth
    • Algae thrive in moist environments, so if you’re having trouble keeping algae under control, your pool may have a leak.
  • 5. Structural Damage
    • If your pool leaks for an extended period, it can cause structural damage to your pool and surrounding areas. Look for signs of cracks or damage to the pool itself, as well as to the surrounding deck or landscaping.

Common Causes of Swimming Pool Leaks

Now that you know how to detect a leak, let’s explore the 5 most common causes of pool leaks so you know which swimming pool leak repair is necessary.

Cracked pool pipe needing swimming pool leak repair
Cracked pool pipe needs swimming pool leak repair
  1. Cracked Pipes
    • Cracked pipes are one of the most common causes of swimming pool leaks. It can also be one of the most labor-intensive processes for swimming pool leak repair. Pipes can crack due to wear and tear or shifting soil. As a result, water can seep out and cause damage to the surrounding area. If you suspect your pool’s pipes cause the leak, it’s best to call a professional to repair it.
    • To fix a cracked pipe, a professional must locate the cracked section and replace it with a new pipe. They’ll also need to pressure test the repaired section to ensure no additional leaks.
    • Search for the best pool leak detection near me to find the most trustworthy professionals to help.
  2. Damaged Pool Liners
    • Swimming pool leak repair extends to liners as well. Pool liners can become damaged due to age, harsh weather conditions, or improper installation. When a liner is punctured or torn, water can leak out and cause damage to the surrounding areas. To fix a damaged pool liner, you’ll need to drain the pool and patch the hole or tear. If the damage is severe, you may need to replace the liner.
  3. Faulty Pool Equipment
    • Faulty pool equipment, such as pumps, filters, and heaters, can cause leaks. For example, if the pump housing is cracked, then water can seep out and cause damage to the surrounding area. To fix faulty pool equipment, you’ll need to either repair or replace the damaged component.
  4. Ground Movement
    • Ground movement can cause the soil around your pool to shift, leading to cracks in the pool shell or plumbing. This is particularly common in areas with expansive soil or where earthquakes are prevalent. You must stabilize the soil around your pool to fix ground movement issues. This may involve adding additional support or installing a drainage system.
  5. Improper Installation
    • If your pool was not installed correctly, then it may be leaking. This can happen if the pool is not properly leveled or if the plumbing is not installed correctly. To fix improper installation issues, you’ll need to hire a professional to correct the problem.

How to Fix a Cracked Pipe

Fixing a cracked pipe is a job best left to the professionals. This swimming pool leak repair is typically very tricky to track down, and unless you have an exact view of the broken pipe, we recommend letting professionals do it. However, if you’re determined to do it yourself without pool leak detection services, then here are the steps you’ll need to take:

  1. Locate the cracked section of the pipe.
    • You will most likely need a leak detection company to pinpoint the leak underground. Even with advanced equipment, the pinpoint process isn’t always exact.
  2. Cut out the damaged section of the pipe using a hacksaw.
  3. Clean the ends of the remaining pipe with sandpaper.
  4. Install a new section of pipe using PVC glue.
  5. Pressure test the repaired section to ensure that there are no additional leaks.
    • We get most of our supplies from Anderson if you’re interested in this. Here’s a link to their site for a basic pool leak detection kit.

Remember that if you’re uncomfortable working with plumbing, it’s best to call a professional to handle the repair.

How to Fix a Damaged Pool Liner

Fixing a damaged pool liner is a straightforward swimming pool leak repair process. Here’s what you’ll need to do if you need to know how to fix a leak in a pool without draining it:

  1. Locate the hole or tear in the liner.
  2. Clean the area around the damage with a scrub brush.
  3. Patch the hole or tear using a vinyl liner patch kit. You can find these easily on Amazon, like this pool patch product.
  4. Refill the pool with water.

If the damage is severe, you may need to replace the liner.

How to Fix Faulty Pool Equipment

Sometimes swimming pool leak repair is the fault of faulty pool equipment. This pool leak repair will depend on the specific component that needs repairing. Here are some general steps that you can take:

  1. Shut off the power to the equipment.
  2. Inspect the equipment for damage.
    • Often this is just as easy as seeing if the ground is wet around the equipment pad
  3. Replace any damaged components.
  4. Turn the power back on and test the equipment.

If you’re uncomfortable working with electrical equipment, it’s best to call a professional to handle the repair.

How to Fix Ground Movement

Fixing ground movement issues will depend on the specific cause of the problem. This is most likely out of the realms of possibility for most pool owners. Here are some general steps that you can take:

  1. Hire a geotechnical engineer to assess the soil around your pool.
  2. Stabilize the soil around your pool using additional support or a drainage system.
    • This can be very expensive, but may be worth it if your pool gets repaired very often.
  3. Repair any cracks in the pool shell or plumbing.

Keep in mind that ground movement can be a complex issue, and it’s best to hire a professional to handle the repair.

How to Fix Improper Installation

Fixing improper installation issues will depend on the specific problem. Here are some general steps that you can take for your swimming pool leak repair:

  1. Hire a professional to assess the installation.
  2. Correct any issues with leveling or plumbing.
  3. Repair any damage caused by the improper installation.

Improper installation can be complex, and hiring a professional to handle the repair is best.

Preventing Swimming Pool Leaks

The best way to prevent swimming pool leaks is to keep up with regular maintenance. Here are some tips to help you keep your pool in good condition:

  1. Check the water level regularly and top off as needed.
    • If you have an autofill, periodically turn it off for a couple of days and do a bucket test to see if your pool is leaking.
  2. Inspect the pool deck for cracks and repair as needed.
  3. Perform regular maintenance on pool equipment.
  4. Avoid using sharp objects or abrasive cleaners in vinyl liner pools.

By following these tips, you can help prevent leaks and keep your pool in good condition for years to come.

Conclusion

Swimming pool leaks can be frustrating and costly, but they can be fixed with some know-how. By understanding the common causes of pool leaks and how to fix them, you can keep your pool in good condition and avoid costly repairs. Remember to keep up with regular maintenance and hire a professional to handle any repairs you’re uncomfortable with. With these tips, you can enjoy a refreshing pool dip all summer.

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