Fixture · Ecotech · LED puck
Ecotech Radion XR15 G6 Pro
Strongest XR15 yet — G6 added a new TIR lens design. Workhorse for 18–24″ wide tanks.
At a glance
- Max draw
- 90 W
- Coverage
- 18″ × 18″ at 7″
- Mounting height
- 7″
- Street price
- $510
PAR at depth (μmol/m²/s)
| Depth | Center | Edge | Notes |
|---|---|---|---|
| 6″ | 550 | 200 | |
| 12″ | 350 | 130 | |
| 18″ | 220 | 80 | |
| 24″ | 130 | 50 |
All readings corrected for underwater use. Center = directly under fixture; edge = at the 18″ × 18″ footprint edge. PAR varies by individual fixture setup, mount type, and tank glass — use these as a sizing baseline, then measure with your own meter.
Spectrum channels
- uv
- violet
- royal blue
- blue
- green
- red
- warm white
- cool white
Best for
- ▸ SPS
- ▸ Mixed reef
- ▸ Frag tank
Pros
- + Best-in-class spectrum control
- + Mobius / Reeflink ecosystem
- + Build quality is reference-tier
Cons
- − Spectrum has slight green spike some don't love
- − Premium price
Where to buy
Affiliate links. As an Amazon Associate, reefcalcs earns from qualifying purchases.
PAR data source
Reef2Reef XR15 G6 thread + Ecotech spec sheet.
Next steps
- ▸ Correct your PAR meter reading using the PAR underwater calculator — Apogee MQ-500 / MQ-200 in-air sensors under-read by ~25 %.
- ▸ Convert peak PAR to DLI with the DLI calculator — that's the metric corals actually care about.
- ▸ Reference the lighting guide for PAR targets by coral type.
Last reviewed