HPS Grow Lights—What Are They and What Are the Options?

HPS Grow Lights—What Are They and What Are the Options?

If you look at the market of marijuana grow lights today, you will definitely get confused, especially if you are a newbie in cannabis cultivation. That is why in this article, we will revise different types of lights for marijuana growing with all their pros and cons.

Marijuana growers find lights the most important factor of successful growing. So let us take a look at the unique types of grow lighting available today.

Fluorescent lights (CFL)

CFL stands for “compact fluorescent lights.” CFLs are available in any store and are suited for small grow.


You can buy CFL lights anywhere for a ridiculously low price. The bulbs have standard sockets, so there are no difficulties in using them with any light fixture. The CFL lights used for cannabis are 40W and more. The bulbs are also presented in different color temperatures, like “daylight” and “warm white” with the light spectrums of 6500K and 2700K respectively. Daylight bulbs are mostly used during vegetative growth, while the warmer CFL’s are good for the flowering period.


Comparing to other growing lights, CFLs have a low light output.

HID grow lights

According to the opinions of growers, HID light is the golden standard. More experienced growers claim that this light makes the yields better and bigger. HID lights are divided into two main types: MH (or metal halide) and HPS lights (or high-pressure sodium). The main difference between them is that MH lights provide a “cool” blue light, while HP lights are more of the red spectrum.


HID lights cost much less than others. They are easily set up and can become an excellent solution for many growers.


Powerful HID lights generate a lot of heat. This makes the growers buy effective and pricey vents and exhausts.

LED lights

Nowadays, LED lights surpass other growing lights because they are made using innovative technology.


LED lights are energy-sufficient, they produce a minimum of heat, and they do not need ballast to work.


LEDs can cost thousands of dollars, but they are a really smart investment.

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