Plumbers Sherman TX | Contact Us For a Quote Now!

How to Repair Inground Pool Plumbing Leaks | A Step by Step Guide


Owning an inground pool is a source of joy, but when you notice your pool losing more water than usual, it’s time to investigate potential plumbing leaks. In this guide, we’ll walk you through the steps of identifying and repairing inground pool plumbing leaks. From conducting a bucket test to fixing leaks in different components, you’ll gain insights into preserving water, heat, and chemicals while maintaining your pool’s structural integrity.

Your Complete Guide to Fixing a Pool Leak

Swimming pools experience natural water loss due to evaporation and splash-out. However, if your pool loses more than one inch per week, a leak might be the culprit. Leaks can occur in fittings, accessories, plumbing, or the pool shell, making it essential to address them promptly to prevent damage and excessive resource consumption.

Pool Leak Detection


Identifying the source of a pool leak is a specialized task. Leaks can occur in various areas, such as plumbing, tiles, skimmers, and equipment pads. To pinpoint the issue, consider the following symptoms:

  • Pressure-Side Return Leak: Water loss occurs when the equipment is on.
  • Suction-Side Leak: Water loss happens when the equipment is off.
  • Continuous Leakage: Check for cracks in the pool shell, especially around the skimmer.

Read More: How to Install Plumbing in Existing Concrete Slabs

Gathering the Tools and Supplies 

Once you have identified the leak, it’s time to gather the tools and supplies you’ll need to repair it. You’ll need the following items:

  • PVC pipe cutter or hacksaw
  • PVC primer and glue
  • PVC repair kit
  • Teflon tape
  • Plunger
  • Bucket

How to Repair Inground Pool Plumbing Leaks

Conducting the Bucket Test

Before diving into repairs, it’s crucial to determine whether your pool is truly leaking or if the water loss is due to evaporation. The bucket test is a simple yet effective method:

  1. **Fill a 5-gallon bucket with pool water, leaving it 2 inches below the top.
  2. Turn off the pool pump and mark water levels in the bucket and pool after 24 hours.
  3. Compare the water loss in the bucket with the pool. If they match, it’s likely evaporation.
  4. Record weather patterns during the test for accurate results.

Also Read: How to Flush a Tankless Toilet Without Water

The Swimming Pool Dye Test

For a more thorough inspection, perform a dye test:

  1. Choose suspected leak areas.
  2. Turn off the pool circulation system.
  3. Release dye near the suspected leak.
  4. Observe dye movement; if it gets pulled out, there’s a leak.

While dye tests are supplemental, they offer a DIY option for detecting leaks.

Pool Leak Repair

If you’ve confirmed a pool leak, don’t worry—repairing it can be a manageable process. Here are steps to fix leaks in different components:

Underground Plumbing Leaks

  1. Pressure Testing: Shut off the pump and plug all lines. Test individual lines for pressure.
  2. Air Introduction: Introduce air into the pipe and listen for escaping air.
  3. Locate Leak: Mark the area for repair, cut out the damaged part, and replace it.

Read: What is a Domestic Plumber?

Tile Leaks

Repairing leaks in the tile band at the waterline involves using epoxy, rubber-based sealant, or putty. Apply these directly to the cracked area, ensuring thorough coverage.

Skimmer Leaks

Fixing leaks at the skimmer usually requires underwater pool repair putty. Locate the leak, knead the putty onto the area, smooth it, and let it cure for 24 hours before restarting the pump.

Prevention and Maintenance

Understanding your pool’s plumbing system is crucial for effective leak detection. Inground pool pipes are typically buried 2.5 to 3.5 feet deep to protect them from various elements.

Check This: How Much Does a Plumber Charge to Install a Boiler?

How to Fix Pool Pipe Leak Under Concrete with PipeFuze

Detecting the Leak

Your first step is to identify the leak and determine whether it’s suitable for repair with PipeFuze. To do this, you need to isolate the pool pipe and perform a pressure test. Plug one end of the pipe and attach a pressure rig with a gauge to the other end. If the pressure loss is 5 lbs or under over 30 seconds, PipeFuze may be the solution.

Circulating Part A

  1. Create a Water Circuit:
    • Use a plastic bin and a pump to circulate water through the pipe.
    • Fill the barrel halfway with water and set the pressure low (8-12 lbs) for circulation.
  2. Part A Circulation:
    • Circulate the viscous liquid and particulate in the Part A bottle through the line.
    • The goal is to let the liquid flow past the leak, which will then run out of the pipe and back into the bin for re-circulation.

Will PipeFuze Work for My Application?

As Part A works to fill the crack or hole in the line, it blocks water from escaping. Allow a few hours for the process. If pressure stabilizes, perform another pressure test. Continue circulating Part A if needed until the leak is completely sealed.

Circulating Part B

  1. Stabilized Pressure:
    • Once pressure holds, Part A has adhered to the outside of the pipe.
    • Circulate Part B into the line for 2 hours.

How Long Will It Last?

PipeFuze offers a permanent solution for pipes losing 5 lbs of pressure or less over 30 seconds. No failures have been reported to date, making it a lasting fix without the need for concrete excavation.

Repairing a Pool Pipe Leak Without Digging Up the Whole Yard

A pool pipe leak is a serious issue, but digging up your yard or breaking concrete should be a last resort. Hiring a professional leak detection service, such as Aquaman, can help pinpoint the leak using advanced technology like ultrasonic equipment. Their efficient process minimizes damage, reduces repair time, and ensures you can enjoy your pool sooner.

Signs of a Pool Pipe Leak

Look out for signs like cracks in the garage floor, dampness, mold growth, warm and damp floors, decreased water pressure, or persistent damp spots in the yard.

The Aquaman Process

  1. Advanced Technology:
    • Aquaman employs state-of-the-art equipment to detect leaks beyond human capability.
    • Technology allows precise leak pinpointing without causing unnecessary damage.
  2. Routine Process:
    • Aquaman follows a systematic process, reducing the time needed to find and repair leaks.
    • This minimizes the risk of damage to foundations, slabs, or pool areas.
  3. Professional Service:
    • Aquaman Leak Detection offers professional services in Brevard County, FL, and surrounding Central FL cities.
    • Early detection saves time and expenses, often resolving leaks in a single visit.

How to Fix the 5 Most Common Pool Leaks

Leaking or Broken Pipes

  • Causes: Complex plumbing systems can lead to leaks in various pipes.
  • Fix: Pipe relining is a no-dig solution, especially for underground pipes.

Pool Pump Leaks

  • Causes: Cracked pump parts, low water levels, damaged seals, or pipes.
  • Fix: Repair or replacement depending on the issue; consult a guide for help.

Pool Heater Leaks

  • Causes: Chemical damage, loose connections, or gasket issues.
  • Fix: Consult professionals for troubleshooting and repairs.

Pool Filter Leaks

  • Causes: Bad gaskets, cracks, or high pressure.
  • Fix: Replace connections or lower filter pressure; seek professional help if needed.

Pool Liner Leaks

  • Causes: Wear and tear, age, or improper use.
  • Fix: Identify and patch the leak using appropriate materials; consult pool technicians.


Maintaining your inground pool involves proactive leak detection and prompt repairs. By conducting tests, understanding symptoms, and using DIY methods like bucket and dye tests, you can identify and address plumbing leaks efficiently.

Whether it’s fixing underground plumbing, tile, or skimmer leaks, taking swift action ensures your pool remains a source of enjoyment for years to come. If in doubt, consulting professionals like Nelson Pool Company can provide expert assessments and assistance in preserving the health of your pool.

Also, Check Our Valuable Posts We Shared Some Important things.

Meaning of PPR Pipe in Plumbing?

What Does no Hub Mean in Plumbing?

How to Draw Plumbing Lines on a Floor Plan

How to Connect to Lead Water Pipe?

How to Finish a Basement Bathroom with Rough-in Plumbing?

When was Indoor Plumbing Invented?

How to Fix Plumbing Under Kitchen Sink

How to Fix Water Pipe in Automatic Washing Machine?

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top