How to Replace Swimming Pool Lights

Swimming pool lights not only enhance your pool’s beauty at night but also ensure a safe swimming environment after dark. Whether your lights have burnt out, flicker constantly, or you’re ready to upgrade to energy-efficient LED options, replacing your pool lights is essential maintenance.

In this comprehensive guide, we’ll walk you through everything you need to know about pool light replacement, from safety steps to installation techniques. Plus, if you’re in Western Australia, you’ll learn how The One Pool Care can assist with professional, worry-free service.

What Is Pool Light Replacement?

Pool light replacement involves removing old or malfunctioning lighting from your swimming pool and installing new ones. This may include:

Because swimming pool lights are submerged underwater and powered by electricity, the process must be done carefully and correctly to avoid electrical hazards or water leaks.

When Should You Replace Pool Lights?

Recognising when it’s time to replace pool light components is critical. Here are the most common signs:

Flickering or non-working lights: Often indicates bulb failure, water ingress, or electrical issues.
Cracked globes or covers: Damaged light housings can lead to water leakage and short circuits.
Dimming lights: May mean the bulb is old or not receiving consistent power.
Desire for an upgrade: Many homeowners now choose LED pool light replacement for brighter light and lower energy use.

Prompt action reduces risks and ensures your pool is always safe and welcoming.

Safety Precautions Before You Start

Before beginning any swimming pool light replacement, it’s essential to take proper safety measures:

Turn off all power: Disconnect the pool lights at the circuit breaker. Confirm the power is off before starting work.
Use dry, insulated tools: Working around water and electricity demands extra caution.
Avoid wet conditions: Only work on the pool lights during dry weather or when the pool is calm.
Inspect wiring: Check for signs of corrosion or damage. If anything looks unsafe, consult a licensed electrician.

If you’re not confident performing electrical work near water, it’s strongly recommended to call in a professional—such as the expert team at The One Pool Care.

Step-by-Step: How to Replace a Pool Light

Step 1: Switch Off the Power

Always begin by cutting the power supply to the light at the pool’s electrical panel. Safety is the top priority.

Step 2: Remove the Light Fitting

Using a screwdriver, loosen the screws holding the pool light in place. Carefully pull the light assembly out of its niche. Most modern lights are designed to float to the surface once unscrewed.

Step 3: Open the Light Housing

Once on dry ground, carefully open the light housing. This may involve removing additional screws or seals. Drain any water inside and inspect the components for corrosion.

Step 4: Replace the Bulb or Fixture

Step 5: Reassemble the Housing

Ensure the light housing is dry, clean, and correctly sealed. Replace the gasket if worn out to prevent future leaks.

Step 6: Reinstall the Light

Place the light fixture back into its niche in the pool wall and secure it with the screw. Make sure it fits snugly to prevent movement or water seepage.

Step 7: Restore Power and Test

Switch the power back on at the breaker and test the new light. If it doesn’t illuminate, double-check the wiring and seals, or consult a professional.

Tips for Underwater Swimming Pool Light Replacement

Don’t drain the pool: Most pool lights replacement jobs can be completed without removing water.
Use waterproof-rated lights: Always install fixtures that are specifically designed for underwater use.
Check transformer compatibility: New lights, especially LEDs, often require a low-voltage transformer upgrade.

Why Upgrade to LED Pool Lights?

LED pool lights are now the preferred choice for most pool owners in Australia. Here’s why:

If you’re considering an upgrade, The One Pool Care can guide you through LED pool light replacement with the right models and safe installation.

Common Pool Light Issues and Solutions

Even high-quality lights can face problems. Here are some issues you might encounter:

Problem	Possible Cause	Solution
Light not working	Faulty bulb, transformer, or wiring	Inspect and replace faulty part
Water inside light housing	Worn gasket or cracked housing	Replace seals or entire fixture
Light flickering	Loose wiring or failing bulb	Tighten connections, replace bulb
Bulb frequently burns out	Voltage issues or water exposure	Check power supply and replace housing

If you’re unsure how to fix a pool light, the safest approach is to call professionals, The One Pool Care, who are trained to handle electrical pool repairs.

Why Choose The One Pool Care?

At The One Pool Care, we understand that dealing with pool lights can be tricky and even dangerous if not done properly. Our licensed technicians are experienced in:

Serving Perth and surrounding areas, we ensure every job is completed safely, to Australian standards, and with minimal disruption to your pool time.

Need Professional Pool Light Replacement?

If your pool light is not working, or you’re planning an upgrade, don’t risk injury or damage by doing it yourself. The One Pool Care is here to help with:

Contact us today to schedule your pool light replacement or book a consultation. Let our experts handle the job while you enjoy a well-lit, safe, and stunning swimming experience.

By The One Pool Care,
May 18, 2025

About The One Pool Care

The One Pool Care is a trusted provider of professional pool and spa maintenance services in Australia. With a team of expert technicians and a commitment to using the latest pool care technologies, we help our clients maintain clean, safe, and healthy pools. Whether you’re managing a residential or commercial pool, The One Pool Care offers tailored solutions that ensure long-lasting pool enjoyment. We pride ourselves on delivering reliable, customer-centric services with a focus on quality, safety, and the overall wellbeing of your pool. The One Pool Care is your trusted partner for all things pool care.