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There are different types of grow lights for indoors available on the market. Today, thanks to the rapid advancements in lighting technology for cannabis, you can enjoy a wide range of options. To help with this task, here is a review of the types of lamps or bulbs we work with at GB, which you can purchase in any of our stores or through our website.
Types of lamps for indoor growing
The most common are discharge lamps, which are characterized by containing a gas inside that lights up when receiving an electric discharge. Depending on the type of gas inside, a specific spectrum is created.
When choosing the ideal bulb, it’s important to know that each type is designed for a specific stage of cultivation or for the entire life cycle of a plant. Therefore, below is an explanation of what each type is used for and the differences between low-pressure and high-pressure discharge lamps.
The discharge lamps you can find are listed below.
High-pressure discharge lamps
Among the indoor growing lamps, the high-pressure discharge types include the following:
Metal Halide Lamp (MH)
Metal halide lamps, like the Sunmaster MH Veggie Growth bulb, are designed for the growth stage as they typically produce a light spectrum over 4000K. Therefore, the light emitted is white or cool. Thanks to its potential, plants grown under this light develop much more compact, lush, with shorter internodes and thicker branches. It is an ideal choice for mother plant maintenance and the entire growth stage.
High-Pressure Sodium Lamp (HPS)
High-pressure sodium bulbs, like the HPS PRO 600W GB Lighting bulb, are designed for the growth and flowering stage or the flowering stage. This is determined by the type of spectrum each produces. They are characterized by producing a spectrum below 6000K, which emits warm light that resembles the autumn period and stimulates the flowering process.
When growing with them, you get better results if you use bulbs specifically for the growth and flowering stages, although mixed ones also offer good results.
Ceramic metal Halide lamp (CMH or LEC)
We could say that CMH or LEC lighting is the evolution of high-pressure discharge lamps. This type of lighting features a different gas inside compared to HPS or MH bulbs, which offers better performance and therefore better results.
This type of bulb also fits into a different type of socket, which is safer and provides a better connection. Additionally, there are many models with different light spectra available, for growth, flowering, and mixed. They generate very little heat and have a very high g/w efficiency.
Low-pressure discharge lamps
This category includes different types of lamps for indoor growing such as the following:
CFL Agrolite low consumption
There are specific models for growth, like the CFL Agrolite Low Consumption bulb, for flowering (below 3000K) and mixed (between 6400K and 2700K), although the yields they offer are not very impressive. However, they are perfect for use as support in indoor growing, for mother plant maintenance, cutting propagation, seed germination, and marijuana growing in small spaces.
On the other hand, due to the low heat generated, they are a good option for summer use.
Fluorescent tubes
Fluorescent tubes work in the same way as CFLs, such as the T5 lighting, although in this case, they are not a compact tube module, but rather individual tubes that allow you to combine several models in the same fixture, offering the possibility to create a customized light spectrum.
The yields offered are very similar to CFLs; however, being able to place them in the same fixture, the distribution of light in the growing area is much more even. They are perfect for germination, cutting rooting, and the early stages of vegetative growth.
LED grow lights
Depending on the type of LED lighting chosen, you can modify its spectrum to optimize the growing process or grow directly as it is designed to produce a full spectrum for growth and flowering.
This is one of the main advantages offered by LEDs, the ability to modify the spectrum from the LED system itself or through various applications for smartphones.
GB Lighting LED Panel Pro V2 150W
GB Lighting Dimmable 250W Pro V3.0 RESINX LED System
As you can see, there are several types of lamps available on the market for indoor marijuana cultivation. With this explanation of the most commonly used equipment, we hope that their main characteristics and differences are now clearer to you, so you can choose the ideal bulb for your cultivation.
