36W IP68 warm white submersible lights

Water Submersible LED Lights – Frequently Asked Questions (FAQ)

1. What does “IP68″ really mean for submersible lights?

Complete Protection: The “6″ means fully dust-tight, and the “8″ means protected against continuous immersion in water under specified conditions.

Depth Matters: While IP68 guarantees protection, the specific depth and duration are determined by the manufacturer. Most quality pool lights are rated for 1-3 meters continuously.

Beyond IP68: For harsh environments (like saltwater or high-pressure cleaning), look for an IP69K rating.

2. Can I use the same submersible LED light in both fresh and saltwater?

It depends on the specific model’s construction:

For Saltwater: You MUST use lights specifically designed for:

316 Marine-Grade Stainless Steel screws and housing.

Corrosion-Resistant Coatings on internal components.

Sealed Connectors filled with waterproof gel.

Using a light not rated for saltwater will lead to rapid corrosion and failure.

3. How do I choose the right brightness (lumens) for my application?

Application Recommended Lumens Notes

Decorative Pond 100-500 LM Soft, ambient glow

Residential Pool 500-1500 LM Good for general swimming and ambiance

Commercial Pool 1500-3000+ LM Required for safety and clear visibility

Underwater Photography 2000+ LM, CRI >90 Need high, color-accurate light

4. Why is my submersible LED light flickering?

Common Causes and Solutions:

Voltage Drop: Check if the wire gauge is too thin for the cable run length. Solution: Use a thicker cable or a higher voltage transformer.

Loose Connection: Inspect all waterproof connectors. Even a small amount of moisture can cause intermittent connections.

Failing Driver: The LED driver (transformer) might be nearing the end of its life, especially if it’s not designed for the total LED load.

Water Intrusion: The light itself may have water inside, damaging the electronics.

5. Are these lights safe around fish and plants?

Yes, generally very safe. LEDs produce very little heat compared to halogen bulbs, reducing the risk of harming aquatic life.

For Delicate Ecosystems: Look for lights that are “fish-safe” or have a specific spectrum that doesn’t promote excessive algae growth.

Low Voltage = Extra Safety: 12V or 24V systems pose virtually no risk of electrocution to wildlife.

6. Can I install submersible LED lights myself?

For Low-Voltage (12V/24V) Systems: Yes, it’s a common DIY project.

Steps: Mount the light, run the cable, connect to a compatible outdoor/low-voltage transformer, and plug it in.

Crucial: All connections MUST be made inside waterproof junction boxes, and the transformer must be rated for outdoor use.

For High-Voltage (120V/240V) Systems: NO.

These must be installed by a licensed electrician to ensure compliance with local electrical codes and safety standards.

7. How long do submersible LED lights really last?

LEDs Themselves: 50,000 hours is standard. That’s over 17 years if used 8 hours a day.

Real-World Lifespan: The first component to fail is often the power supply/driver (typically 5-10 years) or the waterproof seals (5-7 years).

Pro Tip: Buying from a reputable brand that uses high-quality drivers and seals will maximize your investment.

8. What’s the difference between “Warm White,” “Cool White,” and “RGB”?

Warm White (2700K-3000K): Creates a cozy, inviting, and relaxing atmosphere. Ideal for spas and residential pools.

Cool White (4000K-6500K): Provides a bright, vibrant, and daylight-like effect. Best for security, commercial pools, or modern aesthetics.

RGB (Red, Green, Blue): Allows you to choose from millions of colors for parties, holidays, or mood setting. Many models also include white light modes.

9. My light has stopped working. What should I check first?

Troubleshooting Checklist:

Power Source: Is the transformer plugged in? Has a circuit breaker tripped?

Timer: Check any mechanical or digital timers to ensure they are set to “ON”.

Connection Points: Inspect the waterproof connectors for corrosion or moisture.

Transformer: Use a multimeter to check if the transformer is outputting the correct voltage.

The Light Itself: If all else seems correct, the LED or its internal driver may have failed.

10. Can I control my submersible LED lights with my phone or smart home system?

Absolutely. This is a major trend.

Options Include:

Wi-Fi/Bluetooth Modules: Many brands offer lights that connect directly to an app.

Smart Transformers: Upgrade your transformer to a smart model that can be controlled via an app or voice.

Add-on Controllers: Use a universal smart plug (rated for outdoor use) to schedule on/off times.

Compatibility: Ensure the lights or controller are compatible with your preferred system (e.g., Amazon Alexa, Google Assistant, Apple HomeKit).

We hope this FAQ helps you make an informed decision. For further technical support, please consult with your lighting supplier or a qualified electrician.