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🏆 GROWSHOP N°1 DEPUIS + DE 15 ANS 💳 PAYEZ EN 3 OU 4X DÈS 50€ 10X DÈS 100€ D'ACHAT ⭐ SATISFACTION 4,7/5 ÉQUIPE PRO ET PASSIONNÉE

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Expert LED horticole depuis 2009 +50 000 commandes livrées Note boutique 4,7/5 · 1 766 avis King-Avis SAV horticole français

Catalog

Flash Sales

8 products

Every month, take advantage of Growled flash sales on 10 products chosen by our teams!

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GreenVisuaLED

1 Review(s)

SpectraBULB X20 LED horticultural bulb

In stock · Shipped within 24 h

59,90 € or 3× 19,97 €

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Garden HighPro

1 Review(s)

Garden HighPro PROFAN Ø 100 mm – duct extractor fan 107 m³/h

Available in 3 models

In stock · Shipped within 24 h

17,60 €

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Secret Jardin

4 Review(s)

Secret Jardin Dark Propagator DP60 – grow tent 60x40x60 cm

Available in 3 models

In stock · Shipped within 24 h

79,80 € or 3× 26,60 €

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Secret Jardin

8 Review(s)

Secret Jardin Cosmorrow 200 W – bloom LED bar kit

Available in 4 models

In stock · Shipped within 24 h

399,99 € or 3× 133,33 €

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CANNA

2 Review(s)

BIOCanna Starter Kit

Ships within 2 weeks

54,90 € or 3× 18,30 €

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Garden HighPro

4 Review(s)

Garden HighPro Probox Propagator XL – propagator tent 120x40x200 cm

Available in 4 models

Ships within 2 weeks

249,00 € or 3× 83,00 €

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DWC Cloner 30: Compact system for successful cuttings

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Platinium Hydroponics

6 Review(s)

DWC Cloner 30: Compact system for successful cuttings

Ships within 2 weeks

84,90 € or 3× 28,30 €

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SpectraBULB X55 - 55W Horticultural LED Bulb with Plug E40 - 1

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BloomLED

9 Review(s)

BloomLED SpectraBULB X55 – LED grow bulb E40 55 W

Available in 3 models

Ships within 2 weeks

115,90 € or 3× 38,63 €

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Help & advice

Frequently asked questions

About Flash Sales — click a question to see the answer.

How do I choose the right LED wattage for my indoor grow space?

To choose the right LED wattage, I recommend considering the surface area of your grow space and the type of plants you are cultivating. Generally, for indoor growing, I advise a wattage of about 30 to 50 watts per square foot (0.09 m²) for flowering plants. It's important not to over- or under-size to optimize growth.

What is the difference between warm white and cool white LEDs for horticulture?

The main difference lies in the emitted light spectrum. Cool white LEDs (around 5000K-6500K) are rich in blue light, which is excellent for the vegetative phase as it promotes compact development and robust growth. Warm white LEDs (around 2700K-3500K) contain more red light, ideal for flowering and fruiting, as it stimulates flower and fruit production. In practice, I often see growers use a mix of both or full-spectrum LEDs.

What mistakes should I avoid when installing LED grow lights?

A common mistake is not maintaining the adequate distance between the LED and the plants, which can cause burns or etiolation. I also advise against poor ventilation, as heat, even if low, can accumulate. Finally, neglecting the waterproofing of electrical connections in a humid environment is a mistake I often see and can be dangerous.

What IP rating should I choose for LED lighting in a humid environment?

In a humid environment like a grow room, I recommend a high IP rating. At a minimum, aim for IP65, which means the device is protected against dust and water jets. For optimal safety and increased durability against humidity and water splashes, IP66 or IP67 would be even better. This is a crucial point for the safety and longevity of your equipment.

What is the Color Rendering Index (CRI) for grow LEDs used for?

The Color Rendering Index (CRI) measures a light source's ability to faithfully reproduce the colors of objects compared to natural light. For cultivation, its importance is secondary compared to the PAR spectrum. However, a high CRI (above 80) can be useful for more accurately observing the health of your plants and detecting potential deficiencies or diseases, which is an advantage I personally appreciate.

How much energy can I save with LED lighting?

By switching to horticultural LED lighting, you can achieve substantial energy savings. Compared to traditional HPS or MH lamps, LEDs generally consume 30% to 50% less electricity for equivalent or superior light efficiency. What I often see is that these savings, combined with the longer lifespan of LEDs, allow for a quick return on investment.

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