The EcoTech Radion G6 is widely regarded as one of the most advanced reef aquarium lighting systems available today. With improved HEI2 optics, exceptional PAR distribution, Mobius wireless control, and CoralLab-tested spectrums, the G6 provides everything needed to support healthy coral growth and vibrant coloration.
However, simply mounting a Radion above your aquarium isn’t enough to achieve optimal results. Correct installation, configuration, mounting height, and lighting schedules all play an important role in the long-term success of your reef.
Whether you’ve purchased a Radion XR15 G6 or XR30 G6, this guide will walk you through every step of the setup process and help you get the most from your investment.
Why Proper Setup Matters
Lighting is one of the most important factors in reef keeping.
Corals rely on photosynthetic zooxanthellae algae to generate much of their energy, and improper lighting can lead to:
- Poor coral growth
- Coral bleaching
- Dull coloration
- Algae outbreaks
- Reduced polyp extension
- Long-term coral stress
A properly configured Radion G6 creates a stable lighting environment that supports coral health and consistent growth.
Understanding the Radion G6 Range
The G6 lineup consists primarily of:
Radion XR15 G6
Ideal for:
- Nano reefs
- Smaller mixed reefs
- Supplemental lighting
Radion XR30 G6
Perfect for:
- Medium to large reef aquariums
- SPS-dominated systems
- High PAR applications
Both models are available in:
Blue
Designed around the popular CoralLab AB+ spectrum for maximum fluorescence and coral pop.
Pro
Provides a broader daylight spectrum while still offering excellent coral growth.
What Comes in the Box?
Your Radion G6 package typically includes:
- Radion fixture
- Power supply
- Power cable
- Quick-start documentation
Mounting equipment is usually purchased separately.
Common mounting options include:
- RMS Single Arm
- RMS Multi-Light Rail
- Hanging Kit
- Custom suspension systems
Step 1: Choose Your Mounting Method
Before powering up the light, decide how it will be mounted.
RMS Mounting Arm
The most popular solution.
Benefits include:
- Clean appearance
- Easy installation
- Adjustable positioning
- Minimal visual clutter
Hanging Kit
Popular for:
- Rimless aquariums
- Larger reef systems
- Modern floating-light aesthetics
Both options work exceptionally well.
Step 2: Determine Mounting Height
Mounting height affects:
- PAR levels
- Light spread
- Shadowing
- Hotspots
Recommended Starting Height
EcoTech generally recommends:
20–30 cm (8–12 inches)
above the water surface.
This provides excellent balance between:
- Coverage
- Intensity
- PAR distribution
The G6’s HEI2 optics perform particularly well at these heights.
Step 3: Install the Fixture
Once your mounting system is assembled:
- Secure the mount
- Attach the Radion fixture
- Check alignment
- Ensure the fixture is level
- Confirm adequate cable routing
Take time to ensure the light is positioned centrally over the aquarium.
For multiple fixtures:
- Space evenly
- Avoid excessive overlap
- Ensure complete coverage
Step 4: Connect Power
Plug the power supply into the Radion.
The fixture will begin its startup sequence.
You should see:
- Indicator lights
- Initial boot-up cycle
- Bluetooth readiness
The fixture is now ready for Mobius configuration.
Step 5: Download the Mobius App
The Radion G6 uses EcoTech’s Mobius platform.
Available for:
- iOS
- Android
Mobius provides:
- Wireless control
- Scheduling
- Acclimation mode
- Multiple device management
- Spectrum adjustment
- Cloud and lunar effects
Most setup and programming will be completed through the app.
Step 6: Pair Your Radion G6
Open the Mobius app and select:
Add Device
The app will search for nearby EcoTech equipment.
When your Radion appears:
- Select the fixture
- Name the device
- Assign it to your aquarium profile
Once connected, you’ll gain full control of the lighting system.
Step 7: Select a Lighting Template
One of the biggest mistakes new users make is immediately creating a custom schedule.
For most reef aquariums:
Start With a Proven Preset
EcoTech’s CoralLab profiles have been extensively tested.
Recommended starting profiles include:
CoralLab AB+
Most popular choice.
Excellent for:
- SPS
- LPS
- Mixed reefs
Radiant Color
Offers:
- Slightly whiter appearance
- Enhanced visual presentation
Natural Reef
Provides a more daylight-oriented spectrum.
For most hobbyists, AB+ remains the safest and most effective starting point.
Understanding the AB+ Spectrum
The CoralLab AB+ profile is considered the gold standard for reef lighting.
The spectrum heavily emphasises:
- UV
- Violet
- Royal Blue
- Blue
while limiting:
- White
- Red
- Green
Benefits include:
- Strong coral growth
- Excellent fluorescence
- Proven long-term success
Many world-class SPS systems run AB+ exclusively.
Step 8: Set Initial Intensity
One of the most important setup decisions is intensity.
Too much light can cause:
- Bleaching
- Stress
- Tissue recession
Too little light may result in:
- Slow growth
- Poor coloration
Recommended Starting Intensities
Soft Corals
30–50%
LPS Corals
50–70%
Mixed Reefs
60–80%
SPS-Dominated Reefs
70–100%
Start conservatively and increase gradually.
Step 9: Enable Acclimation Mode
Acclimation Mode is one of the most valuable features in Mobius.
It gradually increases intensity over a chosen period.
Recommended Settings
Starting intensity:
50%
Duration:
14–21 days
Acclimation is particularly important when:
- Installing new lights
- Upgrading from older fixtures
- Introducing new corals
This helps prevent light shock.
Step 10: Configure Your Daily Schedule
A balanced photoperiod typically includes:
Sunrise
2-hour ramp
Peak Lighting
6–8 hours
Sunset
2-hour ramp
Optional Moonlight
Low-intensity blue channels
A common schedule might look like:
|
Time |
Activity |
|---|---|
|
08:00 |
Sunrise Begins |
|
10:00 |
Full Output |
|
18:00 |
Sunset Begins |
|
20:00 |
Lights Down |
|
22:00 |
Moonlight Off |
Consistency is more important than chasing complex schedules.
Recommended PAR Levels
PAR (Photosynthetically Active Radiation) measures usable light for coral growth.
Soft Corals
50–150 PAR
LPS Corals
100–200 PAR
SPS Corals
250–450 PAR
The Radion G6 is capable of producing significantly higher PAR levels, so careful intensity management is essential.
Using a PAR Meter
While preset recommendations provide a good starting point, every aquarium is different.
Factors affecting PAR include:
- Mounting height
- Water depth
- Rockwork
- Water clarity
- Fixture spacing
A PAR meter removes guesswork and ensures corals receive appropriate light levels.
For SPS aquariums, a PAR meter is highly recommended.
Configuring Multiple Radions
Larger aquariums often require more than one fixture.
Mobius allows multiple Radions to function as a single lighting system.
Benefits include:
- Synchronised schedules
- Uniform spectrum
- Easier control
- Simplified maintenance
Group all fixtures into one aquarium profile for seamless operation.
Common Setup Mistakes
Mounting Too Low
Creates hotspots and uneven coverage.
Running Maximum Intensity Immediately
Can stress or bleach corals.
Constantly Adjusting Settings
Corals thrive on stability.
Ignoring Acclimation Mode
One of the leading causes of lighting-related issues.
Chasing Colour Too Quickly
Coral coloration develops over time.
Patience is critical.
Signs Your Lighting Is Correct
Healthy corals typically display:
SPS Corals
- Strong polyp extension
- Vibrant growth tips
- Stable coloration
LPS Corals
- Full inflation
- Good feeding response
- Healthy tissue expansion
Aquarium Overall
- Consistent growth
- Minimal nuisance algae
- Stable coral behaviour
Observe your livestock closely and make gradual adjustments only when necessary.
Maintenance Tips
To keep your Radion performing at its best:
Weekly
Wipe away salt spray.
Monthly
Clean cooling vents.
Every Few Months
Inspect mounting hardware and power cables.
Dust and salt accumulation can reduce efficiency over time.
Final Thoughts
The EcoTech Radion G6 combines industry-leading optics, powerful spectrum control, and simple wireless management to create one of the best reef lighting systems available. By following a structured setup process, selecting proven CoralLab presets, and allowing your corals time to acclimate, you can achieve exceptional growth, colouration, and long-term reef stability.
Whether you’re setting up a nano reef with an XR15 or illuminating a large SPS-dominated display with multiple XR30s, proper installation and configuration will ensure you get the very best from your Radion G6 system.
At Charterhouse Aquatics, we stock the complete range of EcoTech Radion G6 lighting, RMS mounting systems, Mobius-compatible equipment, and reef aquarium accessories to help you build the perfect lighting setup for your reef.
