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.
5 models
Twinstar · Bar / clip-on
Twinstar C Series
A lightweight RGB-W bar with telescopic legs that stretch up to about 15 cm, so one fixture can cover several tank lengths. Brightness is set with buttons on the light itself across 15 steps. The line has been discontinued, so you will mostly find it second hand or as remaining stock.
Updated
16–62 W6 models
Will it suit my tank?
cm long
Best for
Low to medium light tanks where you want flexible fitting across tank sizes and don't need an app.
Worth knowing
Discontinued, and there is no built-in timer mentioned, so plan on a plug timer.
What stands out
- Six sizes with extendable legs
- 15 brightness levels from on-light buttons
- RGB-W at 7050 K
- Fits rimless glass up to 12 mm
- 30,000 h LED life
Models and specs
| Model | Made for tanks | Length | Power | Output | Colour temp |
|---|---|---|---|---|---|
| 200CTWS200C | 20–36.8 cm | 19.8 cm | 16 W | 1,028 lm | 7,050 K |
| 300CTWS300C | 30–40 cm | 30 cm | 16 W | 1,028 lm | 7,050 K |
| 450CTWS450C | 45–55 cm | 45 cm | 24 W | 1,542 lm | 7,050 K |
| 600CTWS600C | 60–75 cm | 60 cm | 32 W | 2,056 lm | 7,050 K |
| 900CTWS900C | 90–105.2 cm | 90 cm | 45 W | 2,891 lm | 7,050 K |
| 1200CTWS1200C | 120–135.1 cm | 120 cm | 62 W | 3,984 lm | 7,050 K |
- Brand
- Twinstar
- Spectrum
- RGB-W
- Colour temperature
- 7050 K
- Control
- On-light buttons
- Dimming
- 15 levels
- Mounting
- Extendable rim legs
- Max glass thickness
- 12 mm
- Status
- Discontinued
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.
Compare with
Browse all lights
Boyu · Bar / clip-on
ZN WiFi LED
- Made for tanks
- 45–90 cm tanks
- Power
- 40–72 W
Planted tanks from 45 to 90 cm where you want scheduling and colour control on a budget.
4 models
Chihiros · Bar / clip-on
A II Max
- Made for tanks
- 30–140 cm tanks
- Power
- 32–96 W
Medium-light planted tanks from nano to large that want a simple, bright, app-controlled bar at a fair price.
6 models
Chihiros · Bar / clip-on
B Series
- Made for tanks
- 20–120 cm tanks
- Power
- 12.7–51.3 W
Low to medium demand planted tanks and beginners who want app scheduling without spending much.
7 models
Frequently asked questions
Quick answers about the Twinstar C Series, drawn from its specs.
What size tank does the Twinstar C Series fit?
It comes in 6 sizes: 200C for 20–36.8 cm tanks, 300C for 30–40 cm tanks, 450C for 45–55 cm tanks, 600C for 60–75 cm tanks, 900C for 90–105.2 cm tanks, 1200C for 120–135.1 cm tanks. Choose the one that matches your tank length.
How much power does the Twinstar C Series use?
From about 16 W on the smallest model to 62 W on the largest, at full output. Most planted tanks run lights below full power.
Who is the Twinstar C Series best for?
Low to medium light tanks where you want flexible fitting across tank sizes and don't need an app.
Is there anything to watch out for with the Twinstar C Series?
Discontinued, and there is no built-in timer mentioned, so plan on a plug timer.
What are the alternatives to the Twinstar C Series?
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.