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Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).
There are several different plant grow lights available. Currently the best source of light for cannabis remains to be metal halide or ceramic metal halide in the range of 3-4000k. Cannabis plants also require both dark and light photoperiods, so the lights need a timer to switch them on and off at set intervals. The optimum photoperiod depends ...
Marijuana Grow Basics: the Easy Guide for Cannabis Aficionados, ISBN 9781878823373; Marijuana Indoors: Five Easy Gardens, ISBN 9781878823274; Marijuana Outdoors:Guerrilla Growing, ISBN 9781878823281; Marijuana: Jorge's RX, ISBN 9781878823304; Gardening Indoors with Soil & Hydroponics, 5th Edition, ISBN 9781878823328
Here's what you need to know to place grow lights at the right distance, depending on the type of light and the plants you're growing. Related: The 11 Best Grow Lights to Help Your Plants Thrive ...
Problems with excessive light are amplified by dry soil conditions. 6. ... A small grow light placed five feet above the plant probably won't cut it. ... or a higher intensity for less time, to a ...
Check out more gardening recommendations: 21 Best Gardening Tools to Tend Your Plants Like a Pro. 10 Self-Watering Planters to Make Gardening Much Easier
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