SpectraLINE V2 LED Grow Light Bar 90 cm IP65 - 24 W - Seedlings, Cuttings & Young Plants

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SEEDLINGS & CUTTINGS

SpectraLINE V2 90 cm LED grow light bar: the right light for strong young plants

A seedling that shoots up thin and pale, a cutting leaning hard towards the window, a young plant that is all stem and no leaf: nine times out of ten the seed is not the problem, the light is. The SpectraLINE V2 90 cm puts 24 W of full spectrum a few centimetres above your trays and turns fragile seedlings into compact, well-branched plants that are genuinely ready to pot on. It is the propagation bar BloomLED has been recommending to home growers and professional nurseries for more than 10 years, and the 90 cm format is the sweet spot for a standard shelf or a two-tray propagation station.

SpectraLINE V2 90 cm IP65 24 W LED grow light bar above seedling trays

Technical specifications

Specification	Value
Length	90 cm (900 mm)
Power draw	24 W (real consumption)
Spectrum	Full spectrum, optimised for germination and early growth
Ingress protection	IP65 (splash and humidity resistant)
Lifespan	50 000 hours (approx. 7 years at 18 h/day)
Chassis	Premium aluminium, passive cooling, no fan
Power supply	Integrated EU mains cable, no external ballast
Coverage	Approximately 90 x 40 cm of intensive lighting
Chaining	Yes, via optional 40 or 100 cm link cable
Warranty	3 years, replaced with new
Reference	BL-SPECTRAL-IP65-24W-90CM-V2

24 WReal power draw

IP65Splash resistant

50 000 hRated lifespan

3 yearsReplace-with-new warranty

🌱 A spectrum built for the propagation stage

The SpectraLINE full spectrum covers the wavelengths photosynthesis actually uses at the seedling stage, with enough blue in the mix to keep etiolation under control. In practice that means short internodes, thick stems, dark green cotyledons and a root system that gets moving quickly. Unlike a generic white LED strip, the PAR output here is aimed at vegetative growth rather than at making a room look bright.

💧 IP65: greenhouse, cellar, utility room

Misting, closed humidity domes, a damp cellar in February, an unheated garage: the IP65 rating lets you mount the bar just a few centimetres above your trays without worrying about splashes or condensation. That is exactly what separates the V2 from ordinary indoor LED battens, which are not rated for the humidity levels a propagation area runs at.

🔗 Chainable to match your real growing area

One 90 cm bar covers roughly 90 x 40 cm intensively, which is two standard seed trays side by side. To light a full shelving unit, simply link several SpectraLINE bars end to end with the optional 40 or 100 cm link cables: one wall socket, no external ballast, no complicated wiring and no daisy chain of extension leads behind the rack.

🛠️ Set up in five minutes

The bar ships with its shelf mounting kit and an integrated EU mains cable. There is no separate driver to find a home for and nothing to assemble: fix the bar, plug it in, add a timer for the day/night cycle and you are growing. A hanging kit is available separately if you would rather suspend the bar over a bench or inside a grow tent.

⚡ 24 W that stay 24 W

Twenty-four watts of real draw is roughly the running cost of a bedside lamp, and the premium aluminium chassis dissipates heat passively so the diodes hold their output over the full 50 000 hour rating. No fan means no noise and nothing to clog with substrate dust. Over seven years at 18 hours a day, that is a grow light you fit once and then forget about.

How high above my seedlings should the SpectraLINE 90 cm sit?

Between 15 and 25 cm above the surface of the compost for seedlings and cuttings. If your seedlings still stretch, drop the bar a few centimetres closer; if the leaves pale, curl or look bleached, raise it slightly. The SpectraLINE runs very cool, so you can bring it close to the canopy without any risk of scorching tender growth.

How many hours a day should I run it?

16 to 18 hours a day gives the best results for seedlings and young plants. Plants need a genuine dark period to metabolise properly, so avoid running the light 24/7 even though it is tempting. A simple mechanical or digital timer automates the cycle, keeps the photoperiod consistent and means you never have to think about it again.

Is one bar enough, or should I chain several?

A single SpectraLINE 90 cm comfortably covers two standard seed trays, around 90 x 40 cm. For a wider bench or a multi-tier propagation shelf, plan on one bar per level and connect them with a link cable. If your shelf is deeper than about 45 cm, running two bars in parallel gives far more even coverage than pushing one bar higher.

Can I use it for more than seedlings and cuttings?

Yes. The full spectrum works well for supplementary lighting on herbs, salad leaves, microgreens and houseplants through the winter, and as a top-up light in a vegetative area. It is deliberately sized for propagation and early growth rather than for flowering, though, so for a full flowering cycle you will want a dedicated high-PPFD horticultural fixture instead.

The SpectraLINE has been the BloomLED reference for young plants since 2014. If your bar fails or fades within three years, we replace it with a new one, no argument. Our technical team grows indoors too and is on the phone if you need help sizing your setup.

✓ 3-year replace-with-new warranty ✓ Selected and designed in France ✓ Indoor growing experts for 10+ years ✓ Technical advice by phone

Specific References
EAN13	3701048200533

Reference BL-SPECTRAL-IP65-24W-90CM-V2

Product SpectraLINE LED grow light bar for seedlings and young plants - 90CM - Waterproof ideal for professional use, personal use, performance. Quality and performance guaranteed.