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 B Series Ver.3
Twinstar's budget WRGB line, now in its third version with Bluetooth control included. It gives clean whites and decent colour for low to medium light planted tanks, and it is a sensible pick for a first scape or a second tank.
Updated
10–52 W7 models
Will it suit my tank?
cm long
Best for
Low-tech tanks with Anubias, ferns, mosses, Cryptocorynes and easy stems, or anyone after an affordable app-controlled light.
Worth knowing
Twinstar itself says one 75B, 90B or 120B may be too weak for a planted tank of that length, and suggests running two.
What stands out
- Seven sizes from 20 cm to 130 cm
- WRGB LEDs for natural colour on plants and fish
- LightControl Standard Bluetooth controller included (timer, dimming, sunrise/sunset, Light Planner)
- Low power draw, 10 W on the smallest to 52 W on the 120B
- Slim 5.5 cm deep metal body
Models and specs
| Model | Made for tanks | Length | Power | Output |
|---|---|---|---|---|
| 20B | 20–25 cm | 18 cm | 10 W | 750 lm |
| 30B | 30–36 cm | 27 cm | 11 W | 820 lm |
| 45B | 45–55 cm | 42 cm | 19 W | 1,550 lm |
| 60B | 60–70 cm | 56 cm | 29 W | 2,300 lm |
| 75B | 75–85 cm | 74 cm | 39 W | 3,200 lm |
| 90B | 90–100 cm | 85 cm | 46 W | 3,750 lm |
| 120B | 120–130 cm | 110 cm | 52 W | 4,100 lm |
- Brand
- Twinstar
- Spectrum
- WRGB
- Control
- Bluetooth app (LightControl Standard included, no colour channel control)
- Dimming
- Yes, with timer and sunrise/sunset
- Mounting
- Rim legs
- Finish
- Metal
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
Compare with
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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 B Series Ver.3, drawn from its specs.
What size tank does the Twinstar B Series Ver.3 fit?
It comes in 7 sizes: 20B for 20–25 cm tanks, 30B for 30–36 cm tanks, 45B for 45–55 cm tanks, 60B for 60–70 cm tanks, 75B for 75–85 cm tanks, 90B for 90–100 cm tanks, 120B for 120–130 cm tanks. Choose the one that matches your tank length.
How much power does the Twinstar B Series Ver.3 use?
From about 10 W on the smallest model to 52 W on the largest, at full output. Most planted tanks run lights below full power.
Who is the Twinstar B Series Ver.3 best for?
Low-tech tanks with Anubias, ferns, mosses, Cryptocorynes and easy stems, or anyone after an affordable app-controlled light.
Is there anything to watch out for with the Twinstar B Series Ver.3?
Twinstar itself says one 75B, 90B or 120B may be too weak for a planted tank of that length, and suggests running two.
What are the alternatives to the Twinstar B Series Ver.3?
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.