Can Black Lights Be Used For Growing?

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Black lights will not work for growing cannabis. They do not produce the correct spectrum of light to grow plants. The only lights that currently produce the required color spectrum of light to grow plants are the following; Fluorescent (Tube shaped), Compact Fluorescent (a Fluorescent tube with ballast included that screws into regular light fixture). Metal Halide (MH) Best for Vegetative growth, but it doesn’t contain all of the spectrum needed later during flowering for truly outstanding buds. the light shines a blueish/white color High Pressure Sodium (HPS) Best for Flowering. Ok for Vegetative. shines a yellow/orange color. All can be purchased at your local home/lumber store.

Not suitable for growing: Black light type fluorescent lights, halogen, mercury vapor, ANY incandescent lamp (if it screws into a regular lamp, it won’t produce worthwhile buds). Exception, compact fluorescent mentioned above.

Author: Smokey D Dope

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