GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on December 24, 2019
Here are articles that explain the different kinds of bulbs and the light they emit. THe LED lights are becoming more popular because they are cool, lightweight and offer plenty of red and blue light, which maximizes growth.
https://www.gardeningknowhow.com/houseplants/hpgen/what-are-grow-lights.htm
https://www.gardeningknowhow.com/houseplants/hpgen/led-grow-light-information.htm
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