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.

Twinstar · Bar / clip-on
The fourth-generation S Series, a high-output bar that can sit on the rim or hang as a pendant with Twinstar's wire kit. It has a manual dimmer rather than an app, and packs enough light for demanding plants.
Updated
High-light planted tanks where you want strong output and are happy to schedule it with a plug timer.
No app or built-in timer, and the wire kit for hanging is sold separately.
| Model | Made for tanks | Length | Power | Output |
|---|---|---|---|---|
| 200SA IVTWSA200 | 20 cm | 18.3 cm | 17 W | 1,100 lm |
| 300SA IVTWSA300 | 30 cm | 28.3 cm | 29 W | 1,750 lm |
| 450SA IVTWSSA450 | 45 cm | 44.3 cm | 42 W | 2,300 lm |
| 600SA IVTWSA600 | 60 cm | 58.5 cm | 59 W | 3,620 lm |
| 900SA IVTWSA900 | 90 cm | 85.3 cm | 88 W | 5,400 lm |
| 1200SA IVTWSSA1200 | 120 cm | 110 cm | 110 W | 6,750 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.
Chihiros · Bar / clip-on
Medium-light planted tanks from nano to large that want a simple, bright, app-controlled bar at a fair price.
Chihiros · Bar / clip-on
Low to medium demand planted tanks and beginners who want app scheduling without spending much.
Quick answers about the Twinstar SA Series (S IV), drawn from its specs.
It comes in 6 sizes: 200SA IV for 20 cm tanks, 300SA IV for 30 cm tanks, 450SA IV for 45 cm tanks, 600SA IV for 60 cm tanks, 900SA IV for 90 cm tanks, 1200SA IV for 120 cm tanks. Choose the one that matches your tank length.
From about 17 W on the smallest model to 110 W on the largest, at full output. Most planted tanks run lights below full power.
High-light planted tanks where you want strong output and are happy to schedule it with a plug timer.
No app or built-in timer, and the wire kit for hanging is sold separately.
Other lights worth comparing: Boyu CB Ultrathin LED, Boyu ZN WiFi LED, Chihiros A II Max. Add any of them to the compare table to see the specs side by side.