SpectraLINE 30cm x4 LED Cloning & Propagation Pack – Samsung 28W Full Spectrum

Four Samsung LED bars for successful cloning — Just 28W, heat-free, with a full spectrum dedicated to rooting and seedlings.

Designed in France by BloomLED, a horticultural LED lighting expert for over 10 years.

28W · 4 x 30 cm · Samsung SMD chips · Full spectrum for cuttings

x 4

SpectraLINE 30 cm - 5W - LED lighting special cuttings
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x 3

20cm connection cable for SpectraLINE
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Length

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Pack description

LED PROPAGATION PACK

SpectraLINE 30cm x4 – Four Samsung LED bars for fast, healthy rooting

The SpectraLINE 30cm x4 pack brings together four Samsung SMD LED bars, tuned to trigger rooting in your cuttings and speed up seedling emergence. Drawing just 28W in total with no meaningful heat output, it is a smart upgrade from old T5 fluorescent tubes while delivering a horticultural spectrum built for young plants.

SpectraLINE 30cm x4 Samsung LED bar cloning pack by BloomLED
SpecificationValue
Number of bars4 bars, 30 cm each
Power7W per bar – 28W total
LED chipsSamsung SMD, high efficiency (>100 lm/W)
SpectrumFull spectrum for cuttings & germination
CoverageApprox. 30 x 80 cm
Warranty2 years, BloomLED
28WTotal power draw
430cm LED bars
2 yrsWarranty
SamsungHigh-efficiency chips

🌱 Faster rooting

The SpectraLINE spectrum sends cuttings a clear rooting signal, encouraging faster, stronger roots than a standard fluorescent tube ever could.

❄️ Heat-free, stress-free

At just 28W with no significant heat, you can position the bars right above seedlings with no risk of burn – perfect for propagators and mini-greenhouses.

🔌 Single-cable series wiring

All four bars connect on one cable: one plug, four points of light. Quick to mount on a propagation shelf or inside a cabinet.

💡 Durable Samsung chips

Samsung SMD LEDs hold their output over time, unlike T5 tubes that lose 20–30% of their flux within the first year.

Is this pack suitable for seedlings too?

Yes. The spectrum supports both cuttings and seedling germination, carrying young plants through until they are transplanted under full growth lighting.

How far should the bars be from the plants?

Because they run cool, the bars can sit 10–20 cm above the cuttings. Move them closer if you notice stretching (leggy stems).

What area does the pack cover?

The four bars effectively light an area of about 30 x 80 cm – a standard propagation tray. For larger areas, choose a 60 cm pack.

Designed in France by BloomLED, a horticultural LED lighting expert for over 10 years: a simple, reliable, energy-saving propagation pack for successful starts.

✓ Designed in France✓ 2-year warranty✓ Samsung chips

Complete your setup

Pack Bouturage SpectraLINE 60cm x2 – 36W SamsungPack Bouturage SpectraLINE 60cm x3 – 54W SamsungPack Bouturage SpectraLINE 60cm x4 – 72W Samsung

Pack content

  • Calibrated horticultural spectrum for cuttings and seedlings — faster rooting, short and stocky stems
  • Only 7W power draw thanks to latest-generation SMD LEDs, outperforming T5/T8 fluorescent tubes
  • Ultra-slim 30 cm format — fits inside a propagator, mini greenhouse, or multi-tier shelf
  • Modular: up to 10 bars daisy-chained together to expand your light coverage
  • Instant setup with no ballast, 100% silent operation

SpectraLINE 30cm 7W — The horticultural LED bar that gives your cuttings the spectrum they need

A cutting that stalls under inadequate lighting isn't lacking water or substrate. It's lacking useful photons. Standard fluorescent tubes emit a spectrum designed to light an office, not to trigger rhizogenesis in a freshly cut stem. The result is always the same: leggy stems, sluggish rooting, and disappointing success rates.

The SpectraLINE 30cm 7W horticultural LED bar was engineered to solve exactly this problem. Its spectrum targets the wavelengths that photosynthetic pigments actually absorb during critical growth phases: germination, cloning, and early leaf development. Seven watts is all it takes, because not a single photon is wasted on heat or decorative light.

horticultural led light seedlings young plants led grow lighting for plants
horticultural-led-grow-light-bar-plant-spectraline
horticultural-led-grow-light-bar-spectraline-30e SpectraLINE 30cm 5W - horticultural-led-grow-light-bar-spectraline-30e
Horticultural LED grow light coverage area SpectraLINE 30
Horticultural LED spectrum bar seedlings cuttings young plants grow light

What actually changes compared to your fluorescent tubes

A calibrated horticultural spectrum, not a general-purpose light

A T5 or T8 fluorescent tube emits a broad spectrum of which only a fraction matches the absorption peaks of chlorophyll and carotenoids. The SpectraLINE concentrates all its light energy on the spectral bands that drive cell division, photomorphogenesis, and root development. In practice, your cuttings produce shorter, stockier stems and a dense root network within the first few days.

Up and running in under a minute

No ballast to wire, no reflector to adjust, no transformer cluttering the floor. Mount the bar, plug it in, and you're done. If you're new to indoor growing, this simplicity spares you a common source of error. If you're experienced, it's time you can spend on your plants rather than your electrical setup.

Modular: lighting that scales with your space

On its own, this 30 cm module covers a compact propagator. But the SpectraLINE is designed to grow with your setup: up to 10 bars daisy-chained together using 20, 40, or 100 cm linking cables. You build your light coverage to the exact centimetre, without ever starting from scratch. For better value from the start, the 2-bar SpectraLINE 30cm packs or the 4-bar SpectraLINE 30cm packs lower the per-unit cost.

Technical specifications explained

7 watts: minimal consumption, maximum photosynthesis

Seven watts — that's less than a hallway night light. Over an 18-hour daily cycle, the electricity cost amounts to pennies. But make no mistake: these 7 watts are nothing like those from a fluorescent tube. The latest-generation SMD LEDs convert most of the energy into photosynthetically active radiation. A fluorescent tube, by contrast, dissipates a significant portion as heat. Watt for watt, the efficiency gap is substantial.

30 cm, ultra-slim profile: built for tight spaces

With a thickness barely greater than a coin, the SpectraLINE fits where nothing else can: inside a propagator, on a multi-tier germination shelf, or in a small converted cupboard. This compact form factor maximises the headroom available for your plants — a critical advantage in vertical setups where every centimetre of growth space counts.

Silent operation, zero vibration

No fan, no magnetic ballast. The SpectraLINE runs in complete silence, 18 hours a day if needed. If your propagation area is in a living space, no one will hear it. It's a detail that becomes essential in daily life.

Uniform light output across the full length

The LED layout eliminates shadow zones between the centre and the ends of the bar. Every cutting receives the same light intensity, removing the growth disparities you consistently see under standard fluorescent tubes — where plants at the edges always grow slower than those in the middle.

How to get the most from your SpectraLINE 30cm

Optimal distance: 5 to 15 cm from the canopy

Position the bar 5 to 15 cm above your plants. The very low heat output of the LEDs allows this proximity without any risk of leaf burn — a common pitfall with fluorescent tubes placed too close. At this distance, the light intensity promotes rapid rooting and short internodes, the hallmark of a compact, vigorous plant.

Propagator, shelf, or mini greenhouse: it fits anywhere

The 30 cm format matches the standard dimensions of propagators and mini greenhouses on the market. On a multi-tier shelf, a 3-bar SpectraLINE 30cm pack evenly covers an entire shelf level from a single mains connection thanks to daisy-chain wiring.

Humid environments: choose the waterproof version

Humidity domes, misting, water splashes — if your propagation area is exposed to moisture, the SpectraLINE 30cm waterproof IP65 provides the protection you need. In dry or ventilated environments, the standard model is perfectly suitable.

Need wider coverage?

The SpectraLINE range is available in 60, 90, and 120 cm for larger setups. If your shelves or propagators are 60 cm wide, the 2-bar SpectraLINE 60cm pack makes a particularly relevant alternative. To explore the full range of LED grow lights available, browse our complete catalogue.

The bottom line

The SpectraLINE 30cm 7W horticultural LED bar does one thing, and does it well: it delivers the exact light spectrum your cuttings and seedlings need to transform a fragile stem into a rooted, compact plant. Seven watts of consumption, absolute silence, instant setup, and a modular system that grows with your cultivation space.

It outperforms fluorescent tubes on every metric that matters: spectral efficiency, lifespan, footprint, and power consumption. From the beginner's small propagator to the experienced grower's multi-tier shelf, the SpectraLINE 30cm is the first link in a successful growing cycle — the stage where everything is decided.

Data sheet

Lighting Area
30x20cm
Product Size
30x2cm translates to 30x2cm in English.
Consumption
7W is an abbreviation that stands for "Who, What, Where, When, Why, How, and hoW much". It is a mnemonic device used to remember the key questions that should be asked when gathering information or conducting an investigation.
Optimal Operating Distance
20 cm
Spectrum
Cuttings and Germination
Intensity Management
NO
Brand of LEDs used
SAMSUNG
Thermal dissipation
Passive (French to English translation): Passive
Sealing
NO
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

ACCESSORY

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.

SpectraLINE IP65 link cable by BloomLED for horticultural LED bars
FeatureDetail
FunctionSeries (daisy-chain) connection of SpectraLINE bars
Ingress protectionIP65 — resistant to humidity and splashes
ConnectionQuick, male-female, secure click fit
CompatibilitySpectraLINE horticultural LED bar range
LengthsSeveral lengths available to suit your layout
UseIndoor growing, grow tent, greenhouse
IP65Reinforced sealing
1Single mains plug
100%SpectraLINE compatible

🔌 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.

How many SpectraLINE bars can I chain?

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.

✓ Designed in France✓ 10+ years of expertise✓ Guaranteed SpectraLINE fit

Goes well with

Barre LED SpectraLINE 60 cmKit de suspension SpectraLINE IP65Support double SpectraLINE

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