• Premium Quality LED Diodes 
• Available with Fixed or Dimmable Control
• Free & Fast UK Delivery
• Set of Eight Lights Per Pack
• Full Spectrum
  
• Perfect for Microgreens, Salads & Fruits
• Versatile Application
• Super Stealthy
• IP65 Waterproof
• Massive 28800 Lumen Output
• Ultra Low Power Consumption
• Zero Noise
  
• 200w Power Output (25w Per Bar)
  
• Pay As You Grow in 3 instalments with Klarna

You know how some grow lights arrive with all the subtlety of a freight train, demanding space, power, and your undivided attention? This isn’t that.

The Spider Farmer Glowbar25 turns up quietly, takes one look at your cramped shelving unit, and proceeds to transform it into something that would make a commercial grower raise an eyebrow.

At first glance, it’s just a collection of slim, almost suspiciously lightweight bars. Each one stretches out to 885mm in length, barely 33mm wide, and weighs a modest 258 grams. Hardly intimidating.

But then you switch it on, and suddenly your tidy little plant stand is bathed in 28,800 lumens of full-spectrum brilliance. That’s the moment you realise this isn’t decorative lighting. This is intent.

With a total system draw of 200W across eight bars, the Spider Farmer Glowbar25 delivers serious, usable light without the theatrical heat output of older technologies. It’s efficient, controlled, and just a bit smug about it.

Where smaller strip lights dabble politely with seedlings, the Spider Farmer Glowbar25 arrives with a far more ambitious plan. This is still precision lighting, but now it’s been stretched, multiplied, and sharpened into something capable of handling entire multi-tier systems.

Each pair of bars comfortably covers around 100 × 35 cm, making it ideal for layered plant stands, propagation racks, or greenhouse shelving. And because the light is spread evenly across 1,296 diodes, you don’t get harsh hotspots or gloomy corners. Instead, you get a beautifully consistent canopy of light that plants absolutely adore.

The spectrum itself is a carefully balanced cocktail of 5000–5500K cool white, 3000–3500K warm white, and a precise hit of 650–660nm red. In other words, it mimics sunlight with the sort of accuracy that would make the actual sun feel slightly threatened.

The result is steady vegetative growth, healthy root development, and flowering support without any unnecessary drama. 

Efficiency That Borders on Witchcraft. 

Now, let’s talk numbers, because the Spider Farmer Glowbar25 has plenty of them, and they’re all rather impressive.

A PPE of ≥2.2 μmol/J means it converts electricity into usable plant energy with admirable efficiency. The full system outputs 28,800 lumens while consuming just 200W, which puts it firmly in the “why is this so effective?” category.

Each individual bar runs at 25W ±10%, drawing minimal current across a wide voltage range of AC100–277V. Whether you’re running a modest home setup or something more elaborate, it slots in without fuss.

And because it produces very little excess heat, you won’t find yourself redesigning your ventilation system just to keep things under control. It simply delivers high-performance illumination without turning your grow space into a tropical nightmare.

Dimmable or Fixed. Your Call. 

Here’s where the Spider Farmer Glowbar25 shows a bit of personality. It doesn’t assume it knows best.

If you prefer simplicity, the fixed-output version does exactly what it says on the tin. Plug it in, and it delivers consistent, full-power performance day in, day out. No fiddling, no second-guessing.

But if you’re the sort who enjoys a bit of control, the dimmable version offers three brightness levels: 100%, 50%, and 10%. That means you can gently coax seedlings into life, ease plants through vegetative stages, and then unleash full power when it’s time to get serious.

It even remembers your last setting thanks to its smart memory function. Turn it off, come back later, and it picks up exactly where it left off. No tantrums, no resets. Just quiet competence.

Built for The Real World.

Now, here’s the thing about grow environments. They’re not exactly gentle. There’s humidity, water, the occasional splash, and a general sense that anything electrical should probably be slightly nervous.

The Spider Farmer Glowbar25, however, couldn’t care less.

With an IP65 waterproof rating and a robust PC clear lampshade protecting the diodes, it shrugs off moisture and dust like it’s on holiday. You can run it in greenhouses, propagation tents, or tightly packed plant shelves without worrying about reliability.

And when it inevitably gets a bit grubby, a quick wipe is all it takes. No delicate handling required.

Installation without Swearing. 

Some lighting systems demand tools, patience, and a quiet moment to question your life choices. The Spider Farmer Glowbar25 is refreshingly different.

It arrives with everything you need: clips, magnets, cable ties, connecting cables, and power cords. You can mount it to shelves, racks, or frames in minutes. No engineering degree required.

Better still, it supports daisy chaining. Up to 11 bars on 110V or 22 bars on 220V can be linked together, creating a scalable lighting network that grows alongside your ambitions.

And yes, you can mix dimmable and non-dimmable units in the same chain. The dimmer will only affect the dimmable bars, while the others carry on at full power like obedient soldiers.

Big Power. Little Fuss. 

The Spider Farmer Glowbar25 LED Grow Light Strips sit in a rather clever middle ground. They’re far more capable than entry-level strip lights, yet far more flexible than large, fixed fixtures.

They’re perfect for growers who want serious performance in compact or multi-tier setups. Seedlings, clones, leafy greens, herbs, or even more demanding plants under the right configuration - all handled with quiet confidence.

And because they’re slim, efficient, and scalable, they don’t dominate your space. They simply improve it.

The Glowbar 25. Link. Expand. Scale. 

The Spider Farmer Glowbar25 is what happens when someone takes a simple idea - LED light strips - and decides to do it properly.

It’s longer, more powerful, and far more capable than its smaller siblings, yet it retains the same elegance and simplicity. No noise, no excess heat, no unnecessary complexity.

Just clean, efficient, full-spectrum light delivered exactly where it’s needed.

If you’re building a modern indoor growing setup and want something that’s adaptable, powerful, and quietly brilliant, this is it.

Sometimes, more really is more.