Cannabis bulbs

In this category, you'll find a carefully curated selection of bulbs for growing cannabis indoors, designed to provide the ideal light spectrum at every stage of your plants' development. From energy-efficient CFL models to powerful LEC, HPS, or CMH bulbs, here you'll find everything you need to maximize health and yield in your indoor grow.

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Attention! The products offered on Alchimiaweb.com are sold exclusively for lawful purposes and not for consumption or any illegal use. Cannabis seeds are offered as souvenirs or collector’s items, and spores or mycological materials are intended solely for mycological or taxonomic study and research. The germination or cultivation of these products may be illegal in certain countries; please check your local laws before purchasing. By purchasing, you confirm that you are of legal age and aware of the regulations applicable in your country of residence. Alchimia shall not be held liable for any improper or unlawful use of its products. All products are sold in strict compliance with the local laws in force.

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Continue reading about: Cannabis bulbs

Specialized lighting for indoor cultivation

Lighting is a determining factor for successful indoor cannabis cultivation. Specific cannabis bulbs allow you to simulate the appropriate solar conditions for each phase of the plant's life cycle, from germination to flowering. In this category, we offer a selection of lamps specially designed for this purpose, with technologies, wattages, and formats to suit every need.

Diversity of technologies for each grower

Each type of bulb has particular characteristics that directly influence plant growth and development.

CFL (low-energy) bulbs: Ideal for small spaces and growers who prioritize energy efficiency and low heat. They emit a white light that promotes slow, controlled vegetative growth. Perfect for maintaining mother plants.

CMH or LEC (Ceramic Metal Halide) bulbs: With a light spectrum very similar to sunlight, they provide high-quality light, improved overall plant health, and tastier harvests. They increase light penetration and the final quality of the buds.

HPS (high-pressure sodium) bulbs: These are the most popular during the flowering stage. Their warm light promotes the formation of dense, heavy, and resinous buds. They are notable for their high yield.

Metal halide bulbs: They emit a blue light perfect for the vegetative stage. They stimulate the development of broad leaves and strong stems, preparing the plant for robust flowering. Also suitable for mother plants.

Adaptability in power and connectors

Available in wattages up to 1000W, these bulbs meet the needs of both small grow rooms and large grow rooms. For optimal performance, the bulb's wattage must be compatible with the ballast and reflector socket type:

  • Common sockets such as E27 and E40
  • Special GU10 or Double Ended (DE) type connectors for high intensity models

Paying attention to these technical details ensures a safe installation and maximum performance.

Professional results

Whether you're a beginner or an experienced grower, choosing the right light bulb makes all the difference in your plants' development. We work with recognized brands that guarantee durability, light stability, and energy efficiency, so you can focus on achieving healthy, productive harvests without any surprises.

Frequently Asked Questions About Cannabis Light Bulbs

Which bulb is best for the growth phase?

White or blue light CFL (metal halide) bulbs are ideal for the vegetative phase, as they stimulate the structural development of the plant, including the LEC.

And for the flowering phase?

HPS bulbs are the most recommended for flowering, thanks to their warm light, which promotes the formation of dense, resinous buds. Mixed bulbs are also available, suitable for both growth and flowering. LEC is another option.

What is the difference between an LEC and an HPS bulb?

LEC (CMH) bulbs offer a broader, more natural spectrum (more terpenes), with better color reproduction and resins. HPS bulbs, on the other hand, are more powerful in terms of yield but have a more limited spectrum. Price is also a big difference, as is the number of crops: an LEC bulb can be used for up to 5 crops, while an HPS bulb can only be used for 2 before it begins to lose efficiency.

 

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