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Barre LEDs pour semis, boutures et jeunes plantes - 27Wx2 - 120cm x 40cm - Plug and play
This pack provides light for young plants in an area of 120cm x 60cm. You can use this light for cuttings and plants up to a maximum of 20-30cm tall.
With a cable to connect the systems together.
Plug & Play
Lighting duration: 14 to 18 hours/day
SpectraLINE 120cm Horticultural LED Bar - 27W
- Faster rooting thanks to a targeted red/blue spectrum matched to chlorophyll absorption peaks
- Only 27W to cover 120 cm — half the consumption of a 54W T5 fluorescent over the same area
- Perfectly uniform lighting across the full length: all your cuttings progress at the same rate
- Ultra-slim and daisy-chainable — installs in minutes inside a propagator, rack or shelf
- 100% silent operation with no ballast or fan, zero maintenance
- This product is not available at this time.
SpectraLINE IP65 Link Cable - Series Connection
Daisy-chain your LED bars — link several SpectraLINE bars on a single mains socket, no bulky power strip.
Trust: BloomLED expertise, designed in France, indoor-growing specialists for 10+ years.
IP65 rated · Quick connect · SpectraLINE compatible · Less wiring
- This product is not available for order.
One of product is no longer available. This pack cant be purchased
Pack content
- Faster rooting thanks to a targeted red/blue spectrum matched to chlorophyll absorption peaks
- Only 27W to cover 120 cm — half the consumption of a 54W T5 fluorescent over the same area
- Perfectly uniform lighting across the full length: all your cuttings progress at the same rate
- Ultra-slim and daisy-chainable — installs in minutes inside a propagator, rack or shelf
- 100% silent operation with no ballast or fan, zero maintenance
SpectraLINE 120cm 27W: the horticultural LED light that transforms your cuttings and seedlings from day one
The first few weeks of a plant's life are the most critical — and the most fragile. A freshly taken cutting has no roots. A newly sprouted seedling has no reserves yet. All these young plants have to build their future is the light you give them. And that's precisely where most setups fall short.
Too many indoor growers discover after the fact that a fluorescent tube, even a quality one, wastes a significant portion of its energy on wavelengths that plants simply don't use. The SpectraLINE 120cm 27W was engineered to solve this problem at the source. This horticultural LED bar focuses every emitted photon on the spectral bands actually absorbed by chlorophyll — red and blue — to give your cuttings and seedlings exactly what they need: efficient, uniform light calibrated for propagation.
Why this LED bar is a game-changer for propagation
A spectrum designed for photosynthesis, not the human eye
A T5 or T8 tube produces a broad spectrum, only a fraction of which matches the absorption peaks of chlorophyll a and b. The rest? Heat and light your plants simply ignore. The latest-generation SMD LEDs built into the SpectraLINE target only the useful wavelengths. At the same power draw, your young plants receive significantly more usable photons — and that translates into faster rooting and stockier stems.
27W: the right amount of power for fragile young plants
During propagation, too much light is just as harmful as too little. Cuttings without functional roots cannot handle intense light: they dry out or become stressed. On the other hand, insufficient lighting causes etiolation — those spindly stems desperately stretching toward the light source. The SpectraLINE's 27 watts hit the sweet spot validated by experienced growers for this critical stage, while using half the energy of a 54W T5 covering the same area.
120 cm of perfectly uniform coverage
With a standard fluorescent tube, light intensity drops noticeably at the ends. The result: cuttings in the centre grow faster than those on the edges, creating an uneven batch that complicates the next stage of cultivation. On the SpectraLINE, the LEDs are distributed along the entire length of the bar, ensuring even photon distribution from end to end. All your cuttings develop at the same pace — no sorting, no tray rotation needed.
A design built for real-world growing conditions
Ultra-slim profile: fits where nothing else can
With a thickness comparable to a coin, the SpectraLINE fits into the tightest spaces: inside a propagator, on a growing shelf, in a vertical rack, or under a bench. No bulky external ballast, no reflector to adjust. Mounting or hanging takes just minutes. For an even more convenient setup, the SpectraLINE double hanging bracket allows precise positioning above your trays.
Daisy-chainable system: your lighting grows with your ambitions
A propagation space that works well tends to expand. The SpectraLINE is designed to be daisy-chained: link multiple bars end to end on a single outlet, with no extra wiring needed. The 2-pack SpectraLINE 120cm or the 4-bar packs offer better value if you already know your propagation area requires it.
Total silence, zero maintenance
No fan, no magnetic ballast prone to buzzing. The SpectraLINE operates in complete silence — a factor that matters when your growing space shares a living area. Fewer mechanical components also means greater long-term reliability. This is a light you install once and forget about.
High-humidity environment? The waterproof version is available
Propagation under a dome or in a mini greenhouse creates constant condensation that eventually damages unprotected lighting. If your setup involves high humidity levels or a risk of splashing, the SpectraLINE 120cm waterproof IP65 delivers the same light performance with enhanced moisture protection.
Practical guide: how to get the most out of your SpectraLINE
Cloning: gently supporting root development
Right after taking your cuttings, position the bar 20–25 cm above your clones. At this height, the light output encourages adventitious root formation without causing water stress to stems that still lack a root system. As soon as the first white roots appear, gradually lower the bar to 10–15 cm to support vegetative growth. This simple height adjustment is the most effective way to control the vigour of your cuttings.
Seedlings: compact and vigorous young plants
Etiolation is the number one enemy of indoor seedlings. Those frail stems stretching toward the light produce weak seedlings that are difficult to transplant. With 120 cm of uniform coverage, the SpectraLINE eliminates dark spots across your germination tray. Your seedlings develop short internodes, sturdy stems and a dense root network. By the time you pot up, the difference is visible to the naked eye.
Mother plant maintenance: efficiency at the right cost
Keeping mother plants under a flowering LED panel means over-sizing your lighting for what is simply vegetative maintenance. The SpectraLINE is enough to keep your mothers compact and productive for cuttings, at a fraction of the energy cost. For a larger maintenance space, the 3-pack SpectraLINE 120cm is the go-to setup for experienced growers.
Expert tip: plan your lighting transition
The SpectraLINE excels during the first few weeks of your plants' life. Once cuttings have rooted or seedlings have developed their first true leaves, the next stage demands more intense lighting. The SpectraB2G X90 120cm takes over with a spectrum tailored for active growth and flowering. Thinking of your lighting as a journey — where each stage receives the light it deserves — is the key to consistent results. Explore all the options in our range of horticultural LED lights.
The bottom line: a propagation tool that proves itself from the very first use
The SpectraLINE 120cm 27W isn't just a fluorescent tube replacement. It's a propagation tool designed by horticulturists: spectrum optimised for photosynthesis, uniform light output across the full length, controlled energy consumption, total silence and full modularity. Every design choice addresses a real-world need that growers face daily.
Whether you're starting out with a small propagator or equipping a professional growing space, this horticultural LED bar for cloning and seedlings adapts to your setup and scales with your needs. Explore the full SpectraLINE range to find the size and pack that match your growing setup.
Data sheet
- Guarantee
- 2 years
Daisy-chain your LED bars — link several SpectraLINE bars on a single mains socket, no bulky power strip.
Trust: BloomLED expertise, designed in France, indoor-growing specialists for 10+ years.
IP65 rated · Quick connect · SpectraLINE compatible · Less wiring
SpectraLINE Link Cable: connect your LED bars in series, the easy way
This BloomLED link cable lets you chain several SpectraLINE horticultural LED bars together and power them all from a single mains socket. No more piling up power strips: you get cleaner wiring, free up space inside your grow tent and make your setup more reliable. Chosen by indoor-growing enthusiasts.
| Feature | Detail |
|---|---|
| Function | Series (daisy-chain) connection of SpectraLINE bars |
| Ingress protection | IP65 — resistant to humidity and splashes |
| Connection | Quick, male-female, secure click fit |
| Compatibility | SpectraLINE horticultural LED bar range |
| Lengths | Several lengths available to suit your layout |
| Use | Indoor growing, grow tent, greenhouse |
🔌 Series installation
Plug in one bar, then link the next ones together. A single power supply drives your whole line of light.
💧 Built for humidity (IP65)
The IP65 rating protects the connection against ambient humidity and splashes, essential in a grow tent or greenhouse.
🧹 Clean, safe wiring
Fewer cables, fewer power strips: your grow space stays clear, better ventilated and easier to maintain.
It depends on the total wattage and length of the bars connected. Stay within the maximum load of your socket and follow the guidance for your SpectraLINE power supply.
Is this cable compatible with all SpectraLINE bars?Yes, it is designed for the SpectraLINE horticultural LED bar range. Just check the version of your bars to choose the right connector.
The must-have accessory to turn several SpectraLINE bars into one even line of light, controlled from a single plug.
This pack provides light for young plants in an area of 120cm x 60cm. You can use this light for cuttings and plants up to a maximum of 20-30cm tall.
With a cable to connect the systems together.
Plug & Play
Lighting duration: 14 to 18 hours/day