Boyu · Bar / clip-on
CB Ultrathin LED
- Made for tanks
- 50–90 cm tanks
- Power
- 26–55 W
Low-tech planted and community tanks where you just need decent white light.

Chihiros · Bar / clip-on
The high-output member of the WRGB II family, with a dedicated white channel on top of full RGB and a higher LED count. It is still slim, and gives strong light and colour for demanding scapes.
Updated
High-tech planted tanks and deeper aquariums where you want lots of output and control over colour.
More light than a low-tech tank can use; dim it right down if you don't run CO2.
| Model | Made for tanks | Length | Power | Output |
|---|---|---|---|---|
| Pro 30CHSWP301 | 30 cm | 30 cm | 37 W | 3,260 lm |
| Pro 45CHSWP451 | 45 cm | 45 cm | 56 W | 5,000 lm |
| Pro 60CHSWP601 | 60 cm | 60 cm | 74 W | 6,630 lm |
| Pro 80CHSWP801 | 80 cm | 80 cm | 100 W | 8,170 lm |
| Pro 90CHSWP901 | 90 cm | 90 cm | 110 W | 9,250 lm |
| Pro 120CHSWP1201 | 120 cm | 120 cm | 138 W | 11,170 lm |
Figures from Glass Aqua's product listing. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Boyu · Bar / clip-on
Low-tech planted and community tanks where you just need decent white light.
Boyu · Bar / clip-on
Planted tanks from 45 to 90 cm where you want scheduling and colour control on a budget.
Eheim · Bar / clip-on
Tanks that already have a white main light and where you want richer reds and greens, or smooth dawn and dusk.
Juwel · Bar / clip-on
Juwel tank owners who want to grow a wider range of plants than the stock MultiLux allows.
Quick answers about the Chihiros WRGB II Pro, drawn from its specs.
It comes in 6 sizes: Pro 30 for 30 cm tanks, Pro 45 for 45 cm tanks, Pro 60 for 60 cm tanks, Pro 80 for 80 cm tanks, Pro 90 for 90 cm tanks, Pro 120 for 120 cm tanks. Choose the one that matches your tank length.
From about 37 W on the smallest model to 138 W on the largest, at full output. Most planted tanks run lights below full power.
High-tech planted tanks and deeper aquariums where you want lots of output and control over colour.
More light than a low-tech tank can use; dim it right down if you don't run CO2.
Other lights worth comparing: Boyu CB Ultrathin LED, Boyu ZN WiFi LED, Eheim powerRGB. Add any of them to the compare table to see the specs side by side.