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
Juwel · Bar / clip-on
Juwel HeliaLux Spectrum
Juwel's step-up LED bar, with white LEDs at 9,000 K and 6,500 K plus red, green and blue channels. It drops into any Juwel tank with a fixed top frame, and a UniversalFit holder lets it sit on other tanks too. Compared with the stock MultiLux it adds colour channels and, with the SmartControl or AppControl added, dimming and scheduling.
Updated
27–60 W8 models
Will it suit my tank?
cm long
Best for
Juwel tank owners who want to grow a wider range of plants than the stock MultiLux allows.
Worth knowing
Dimming, sunrise and colour control need the HeliaLux SmartControl or AppControl, sold separately.
What stands out
- Eight lengths from 55 to 150 cm to match Juwel tanks
- White plus RGB LEDs for plant growth and better colour rendering
- About 140 lumens per watt, with aluminium honeycomb heat sinks
- Scratch-resistant safety glass over the LEDs
Models and specs
| Model | Length | Power | Fits |
|---|---|---|---|
| 550 | 53.4 cm | 27 W | Trigon 350, Lido 100 |
| 600 | 59.3 cm | 29 W | Lido 120 |
| 700 | 69.3 cm | 32 W | Trigon 190, Lido 200 |
| 800 | 79.3 cm | 32 W | Rio 125 |
| 920 | 91.3 cm | 40 W | Vision 180 |
| 1000 | 99.3 cm | 48 W | Rio 180, Rio 200, Trigon 350 |
| 1200 | 119.2 cm | 60 W | Rio 240, Rio 300, Rio 350, Vision 260 |
| 1500 | 149.2 cm | 60 W | Rio 400, Rio 450, Vision 450 |
- Brand
- Juwel
- LEDs
- White 9,000 K and 6,500 K plus red, green and blue
- Efficacy
- About 140 lm/W
- Mounting
- Juwel tanks with fixed top frame; UniversalFit holder for other tanks
- Control
- Optional HeliaLux SmartControl / AppControl
Figures from Charterhouse Aquatics'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 Juwel HeliaLux Spectrum, drawn from its specs.
How much power does the Juwel HeliaLux Spectrum use?
From about 27 W on the smallest model to 60 W on the largest, at full output. Most planted tanks run lights below full power.
Who is the Juwel HeliaLux Spectrum best for?
Juwel tank owners who want to grow a wider range of plants than the stock MultiLux allows.
Is there anything to watch out for with the Juwel HeliaLux Spectrum?
Dimming, sunrise and colour control need the HeliaLux SmartControl or AppControl, sold separately.
What are the alternatives to the Juwel HeliaLux Spectrum?
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.