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
A brighter, bigger sibling of the A II with nearly double the output per size and a wider size range up to 140 cm tanks. It ships on metal legs, and Chihiros sells acrylic legs and a hanging kit if you want a different look.
Updated
Medium-light planted tanks from nano to large that want a simple, bright, app-controlled bar at a fair price.
The retailer pitches its spectrum at low-tech scapes, so it is less suited to showing off red plants than an RGB light.
| Model | Made for tanks | Power | Output | LEDs |
|---|---|---|---|---|
| AII 301 MaxCHSA2301M | 30–45 cm | 32 W | 2,600 lm | 33 |
| AII 451 MaxCHSA2451M | 45–60 cm | 45 W | 3,400 lm | 55 |
| AII 601 MaxCHSA2601M | 60–80 cm | 64 W | 4,700 lm | 66 |
| AII 801 MaxCHSA2801M | 80–90 cm | 80 W | 5,500 lm | 88 |
| AII 901 MaxCHSA2901M | 90–110 cm | 85 W | 6,500 lm | 99 |
| AII 1201 MaxCHSA2120M | 120–140 cm | 96 W | 8,100 lm | 132 |
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 A II Max, drawn from its specs.
It comes in 6 sizes: AII 301 Max for 30–45 cm tanks, AII 451 Max for 45–60 cm tanks, AII 601 Max for 60–80 cm tanks, AII 801 Max for 80–90 cm tanks, AII 901 Max for 90–110 cm tanks, AII 1201 Max for 120–140 cm tanks. Choose the one that matches your tank length.
From about 32 W on the smallest model to 96 W on the largest, at full output. Most planted tanks run lights below full power.
Medium-light planted tanks from nano to large that want a simple, bright, app-controlled bar at a fair price.
The retailer pitches its spectrum at low-tech scapes, so it is less suited to showing off red plants than an RGB light.
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.