Grow LEDs

Buy Grow LEDs: High-Efficiency LED Grow Lights for Maximum Yields

Let's be clear: If your plants do not receive the right amount of photons, even the best grow tent won't deliver the results you're looking for. As the heart of your indoor lighting system, a grow LED controls growth, flower development, and final resin production through its Photosynthetic Photon Flux Density (PPFD). This guide helps you avoid common lighting mistakes, ensuring your plants neither stretch uncontrollably nor suffer from heat stress—and that you choose the perfect system for your growing area.

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Greenception LED seriesX PWR

The Greenception seriesX PWR is a modular, high-efficiency LED platform designed for professional indoor cultivation. Featuring a market-leading 2.95 µmol/J efficiency and a dedicated multibar spectrum (including UV-A & Far-Red), it provides homogeneous light distribution without hotspots.

High Efficiency: 2.95 µmol/J for reduced operational costs.
Dual-Channel Control: Independent dimming for grow and bloom phases.
Modular & Silent: Passive convection cooling with external driver mounting capability.
Customizable Size: From the 80W propagation unit to the 1000W powerhouse for professional-grade yields.

SKU:

202309051009

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202309051009

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Greenception

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Greenception LED GC Pure 80W

Scientifically optimized full spectrum: The light range from 365–785 nm covers all growth stages of your plants. You don’t need a separate veg or bloom lamp anymore.
UV-A & Far-Red additional diodes: The integrated spectral components specifically stimulate resin and aroma production and accelerate photosynthesis in the generative phase.
Even 120° light distribution: Despite its compact square design, the wide beam angle ensures a uniform light canopy without harsh hotspots in the center.
High energy efficiency: With an efficiency of 2.7 µmol/J, you get maximum usable light (PPF) from the 80 watts of power while keeping electricity costs under control.

SKU:: 20230130957
GTIN:: 4260627954421
Manufacturer:: Greenception
Shipping weight:: 2,60 kg
Item weight:: 1,50 kg

70,00 € *

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Secret Jardin Cosmorrow LED

Secret Jardin Cosmorrow LED - Kompakte Pflanzenlampe

Kompakte, robuste und wasserdichte 24 Volt LED-Lampe
Verfügbar in 20W und 40W Versionen
Vier verschiedene Farbspektren: Wachstum, Blütenansatz, Ultraviolett und Infrarot
IP65 Wasserdichtigkeit für den Innen- und Außeneinsatz
Vollspektrum-Licht für Blüte und Fruchtbildung
Geeignet für das Pflanzenwachstum in der Vegetationsphase
Separate IR-Steuerung für vielfältige Anwendungsmöglichkeiten
Schutz und Stärkung der Pflanzen mit der UV-Variante
Technische Daten: Gewicht, Abmessungen, Verbrauch, Spannung, und mehr

SKU:

202309131016

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Manufacturer:

Secret Jardin

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0,50 kg

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0,35 kg

Power: 20W 20W

40W 40W
Spectrum: Infrared Infrared

Ultraviolet Ultraviolet

Growing Growing

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Greenception LED GC Europe

Greenception GC Europe – High-Efficiency Full Spectrum LED Grow Light

🌈 Full-spectrum LED grow light including UV & FarRed
⚡ 250 W power | efficiency 2.7 µmol/J
📐 120° beam angle | ideal for 0.6–1.0 m²
🔌 Dimmable (0–10 V) | passive cooling (silent)
🌿 Perfect for growth & bloom, high terpene and active compound production

SKU:: 202401161054
GTIN:: 4260627955329
Manufacturer:: Greenception
Shipping weight:: 2,88 kg
Item weight:: 2,00 kg

289,00 € *

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Delivery time: 7 - 8 Workdays

Greenception VEG LED Grow Light

Greenception VEG LED Grow Light – Key Benefits at a Glance

Optimal spectrum for the vegetative phase with cool white Samsung chips
High performance: 210 watts and 570 µmol/s PPF
IP65-rated – perfect for humid environments
Efficient: 2.7 µmol/J and over 50,000 hours lifespan
Dimmable and daisy-chain function for versatile use
Low heat emission – ideal for tents, rooms, and shelves

SKU:: 202408201127
GTIN:: 4260627955343
Manufacturer:: Greenception
Shipping weight:: 8,20 kg
Item weight:: 6,00 kg

149,00 € *

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Delivery time: 2 - 3 weeks

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Secret Jardin Cosmorrow LED Kit

Secret Jardin Cosmorrow LED Kit: Flexible Full Spectrum for Indoor Grow

💡 Modern LED Growlampe kit for all growth phases
🌱 Full spectrum LED plant lamp for healthy growth
🔧 Modular, expandable, and easy to install
🔋 Energy-efficient and durable (50,000 hrs)
📏 Dimmable light intensity, dual-channel control on larger kits
🛡️ Waterproof, robust, and maintenance-friendly

SKU:

202310311027

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Secret Jardin

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7,50 kg

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Lumatek ATS 300W Pro

300W Leistung für bis zu 1,0 x 1,0m Growboxen: ATS Pro 300W

Herausragende Wirksamkeit mit 2,7 µmol/J
Gleichmäßige Lichtverteilung bei 120°
Wasserdicht gemäß IP65
Dimmbarkeit von AUS bis 100%
Steuerbar über Lumatek Digital Panel Plus 2.0
Langlebigkeit von über 60.000 Stunden

SKU:: 202309011008-002
GTIN:: 5060560031208
Manufacturer:: Lumatek
Shipping weight:: 6,00 kg
Item weight:: 5,20 kg

374,37 € *

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Delivery time: 7 - 8 Workdays

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Greenception LED GC Fold

Greenception LED GC-FOLD: Full-Spectrum LED Plant Lamp for Professionals

💡 Powerful Grow LED Lamp for all growth phases
🌱 Full-spectrum LED plant lamp for optimal flowering and growth
🔧 Modular, expandable, and maintenance-friendly
🔋 Energy-efficient with 2.9 μmol/W efficiency
📏 4-step dimmable, manual or via GC-SIGNAL
🛡️ Waterproof, robust, and long-lasting (50,000 hours)

SKU:: 202407301124
GTIN:: 4260627955336
Manufacturer:: Greenception
Shipping weight:: 14,00 kg
Item weight:: 11,80 kg

1.195,00 € *

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Delivery time: 7 - 8 Workdays

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LUMii Black Blade LED

LUMii BLACK Blade LED – Compact LED Power

💡 Efficient grow light for all growth stages
🌱 Full spectrum LED grow light with Osram technology
⚡ Compact and dimmable design
🧩 Expandable with 30W UV/FR LED bar

SKU:: 202311101034-003
GTIN:: 4260011575041
Manufacturer:: Diverse
Shipping weight:: 6,50 kg
Item weight:: 6,20 kg

323,44 € *

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Quick Decision Guide: The Most Important Facts at a Glance

Coverage Area: If you're running a square grow tent from 80x80 cm upwards, choose a multi-bar LED system. This is the best way to prevent light loss at the edges and hotspots in the center.
Climate Advantage: High-quality LEDs produce very little radiant heat. This reduces the risk of dried-out plant tops and allows your exhaust fan to operate at lower speeds.
Efficiency: Buying cheap often costs more in the long run. Efficient diodes convert electricity into usable photons instead of unwanted heat.

Quick Diagnosis: Which LED Do You Actually Need?

Plants are stretching excessively → PPFD levels are too low or the fixture is undersized.
Leaf tips are bleaching → Aggressive hotspot caused by the wrong fixture design.
High electricity costs without better yields → Outdated technology or poor µmol/J efficiency.
Shadow zones at the tent edges → Uneven light distribution or incorrect beam angle.

Conclusion: Poor plant performance is usually not a genetic issue—it is often caused by improper PPFD distribution or an unsuitable lighting design.

One rule always applies: if you don't control light intensity correctly, plants will respond with physical defects. Insufficient light during vegetative growth causes stretching, resulting in weak stems that later collapse under the weight of flowers. Excessive concentrated heat, on the other hand, damages the upper leaves. This simple setup classification helps you choose the right fixture immediately:

Compact (60x60 to 80x80 cm)

80W - 200W Class

Perfect for compact plant structures and very short internodal spacing in smaller grow tents.

Recommended System: Greenception GCx 4 PWR

The Standard (100x100 cm)

300W - 400W Class

Designed to illuminate one square meter evenly, including the outer edges of the canopy.

Recommended System: Greenception GCx 9 PWR

Professional Setup (120x120 cm)

High-PPFD Multi-Bar Systems (600W+)

Ideal for dense canopies where maximum light penetration is required throughout all flowering layers.

Recommended System: Greenception GCx 16 PWR

Which Lighting System Fits Your Growing Goals?

Every cultivation scenario presents different environmental challenges. That's why our lighting selection is organized according to practical applications:

For herbs or overwintering cuttings: You don't need a complex lighting recipe, but rather a reliable moisture-resistant solution. Choose a passive compact LED. Models like the 80W Full-Spectrum LED operate completely silently, do not affect room climate, and feature IP65 protection against water splashes.
For seedlings and cloning: Excessive red light can cause young plants to stretch. Choose blue-dominant propagation lights that encourage root development and compact growth. The Vegetative LEDs with Daisy Chain Function are ultra-slim, fit perfectly into propagation racks, and can be connected in series.
For traditional home growing in square tents: Shadow zones and trapped heat are common problems. Multi-bar systems are the ideal solution. The Greenception GCx Series distributes light and heat evenly across multiple bars, improving canopy penetration and eliminating hotspots.
For clubs (CSC) or larger cultivation facilities: Managing hundreds of fixtures individually is inefficient. Choose foldable commercial systems such as the 830W High-Output LED. These systems support centralized control, dimming, and automated sunrise/sunset simulation.

Still deciding between two models? Contact us for personal advice.

LED Designs Compared: Why Geometry Determines Yield

When planning your grow room, you'll encounter three main designs: COB fixtures, quantum boards, and multi-bar systems. Ignore marketing wattage claims—fixture geometry has a much greater impact on real-world performance.

A compact LED panel concentrates all light into a central hotspot. Directly underneath, plants may suffer bleaching, while the outer canopy receives insufficient light. Multi-bar LEDs mimic the square footprint of your grow tent. Because the diodes are distributed across several parallel bars, light reaches the canopy much more evenly. Airflow also moves freely between the bars, reducing heat accumulation and lowering the risk of mold during flowering.

The Most Important Quality Factors: PPF and Photon Efficiency

Don't fall for the oldest marketing trick in the industry: judging a grow light by wattage alone. Watts only tell you how much electricity you pay for—not how much useful light your plants receive.

Instead, focus on these two key performance indicators:

PPF (µmol/s) measures the total amount of photosynthetically active photons emitted every second. This is the true measure of a fixture's output.
Photon Efficiency (µmol/J) shows how efficiently electricity is converted into usable light. Premium LEDs achieve 2.7 µmol/J and beyond, delivering maximum performance with minimal heat production.

⚠️ Troubleshooting Guide: Symptoms, Causes & Solutions

Symptom: Bleached plant tops or light burn
Cause: Compact LED panel creates an intense central hotspot.
Solution: Upgrade to a multi-bar fixture such as the Greenception GCx Series.
Symptom: Weak, elongated stems
Cause: Insufficient light intensity or poor-quality spectrum.
Solution: Increase fixture power and choose systems equipped with premium Osram or Samsung diodes.
Symptom: Excessive heat buildup and constantly running exhaust fans
Cause: Low-quality drivers converting electricity into heat.
Solution: Use LED systems with detachable drivers and integrated dimming capabilities.

Understanding PPFD: Make the Right Buying Decision

PPFD only becomes meaningful when applied to your actual grow area. Use this simple sizing guide:

60x60 cm: Low to medium PPFD requirements. The 80W–200W class is usually sufficient.
80x80 cm: Medium PPFD zone. Fixtures between 200W and 300W offer the best results.
100x100 cm: High PPFD zone. 300W–400W systems are highly recommended.
120x120 cm: High-performance PPFD zone. 600W+ multi-bar systems become essential.

Remember: The better the photon distribution matches your growing area, the higher your potential yields.

Frequently Asked Questions About Grow LEDs

How many watts do I need per square meter?
For flowering plants, 300–350 watts of high-efficiency LED power per square meter is a practical guideline.
Which LED is best for a 100x100 cm grow tent?
The 300W–400W class is ideal. Fixtures such as the Greenception GCx 9 PWR provide excellent coverage across the entire canopy.
Why are bar-style LEDs better than compact panels?
They eliminate hotspots and allow more uniform canopy penetration, resulting in more consistent flower development.
Why is dimming important?
Dimming prevents light stress during early growth stages and helps reduce electricity consumption throughout the plant lifecycle.

Complete Your Setup

Even the best LED system requires a properly balanced environment. Complete your setup with these matching components:

Premium Grow Tents – Highly reflective interiors for maximum light utilization.
Grow Tent Complete Kits – Fully matched systems for a simple start.
Ventilation & Climate Kits – Optimized airflow and odor control.
HPS Grow Lights – Traditional sodium vapor systems for legacy setups.
Plant Fertilizers – Nutrient solutions designed for high-performance cultivation.
Automatic Irrigation Systems – Reliable water delivery for vigorous plant growth.