How to Repair a Leaking Pool Filter Tank

Fix Leaking Filter Tank - Las Vegas NV

For pool owners in Las Vegas and Henderson, your pool is your backyard retreat. If you’ve noticed water around your filter system or a drop in pressure, chances are your filter tank is leaking. Ignoring it can lead to bigger problems — water waste, damaged equipment, and cloudy water. Here’s what you can do, and how we at JnJ Pools can help you fix it properly.

Why Fixing a Leaking Filter Tank Matters

  • Protects your pool system from costly damage.
  • Maintains strong water flow and clean water.
  • Prevents unnecessary water loss — important in our desert climate.

Common Causes of Filter Tank Leaks

1. Worn O‑Rings or Gaskets

Rubber seals wear out and crack over time, especially in our dry desert air.

2. Cracks in the Tank

Heat, sun exposure, or accidental impacts can crack the tank wall, particularly in fiberglass or plastic tanks.

3. Loose or Damaged Fittings

Connections can loosen or corrode, especially under vibration and pressure.

4. Faulty Pressure Gauge or Air Bleeder

These small parts often leak when threads strip or plastic breaks.

What to Do Before You Start

  1. Turn off the pool pump and power.
  2. Release pressure by opening the air relief valve.
  3. Place towels or a bucket to catch water.
  4. Gather basic supplies: replacement seals, lubricant, wrench, and Teflon tape.

Step‑by‑Step Suggestions

Replace Seals and Gaskets

If the leak comes from a joint or valve, it’s often just a seal. Remove the part, replace the gasket, lubricate it, and reassemble.

Patch Small Cracks

For small cracks, dry and clean the area, then apply pool‑safe epoxy or a patch kit. Let it cure fully before restarting.

Secure or Replace Fittings

Inspect all threads and unions, apply new Teflon tape, and tighten snugly.

Check Gauge and Air Bleeder

Replace these if cracked or leaking around the threads.

Testing Your Repair

  1. Restart the pump and watch the pressure gauge.
  2. Check all repaired areas for leaks.
  3. Monitor for the next hour to make sure the leak is fully resolved.

Need Help? We’re Here for You

Fixing a leaking filter tank yourself is possible, but if the problem persists, the cracks are large, or you simply want a professional to handle it — we can help. At JnJ Pools, we specialize in diagnosing and repairing leaks for pool owners across Las Vegas and Henderson. We’ll save you time, water, and frustration by getting it done right.

Contact us today to schedule a service or get expert advice. You can reach us through our contact form or give us a call — we’re here to help you enjoy your pool without the hassle.