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best light wattage for growing weed

Best light wattage for growing weed

3 Main Classes of Marijuana Grow Lights

Metal Halide grow lights are generally used for the vegetative stage because they produce a bluish light that vegetative plants love, though this type of light can also be used all the way to harvest.

Full tutorial on MH & HPS grow lights
(most common grow light combination for cannabis)

Best light wattage for growing weed

In terms of coverage, the light from this LED panel can reach 7-8 square feet, so you can easily compute how many you’ll need based on the size of your indoor grow space. The Roleadro LED panel has an estimated service life of 50,000 hours, so they should last for a long time, and, like all other LED lights, this panel emits hardly any heat while working. That means, your plants are unlikely to experience light burn.

Harvest up to a pound


With all these variables in mind, you can then consider your options. Here are some of our favorite cannabis grow lights:

6. Lithonia Lighting GRW

The good news, however, is that this light has plenty of options. If you purchase and install a dimmable ballast, you can dim the light as needed. That makes the Apollo MH Light suitable for photoperiod cannabis plants at various stages in their growth process.