International Cannabis Cultivation Questionnaire
Browse by Category
Cannaversity .: Cannabis Cultivation .: Lighting & Electrical .: What metal halide spectrum is best for vegging

What metal halide spectrum is best for vegging

 Lights with higher blue spectrums are best for vegging. The ideal range to shoot for is between 14000K - 20000K as they contains more blue which is the most important light spectrum for vegetative growth  .
Color temperature, or degrees Kelvin (K), is a number assigned to a bulb to describe the color of light it emits. The lower the number the warmer or more to the orange/yellow side of the light spectrum is its appearance. The higher the number the cooler or more to the blue side of the light spectrum.

The bellow diagram shows some K examples and their corresponding colors:


Tutorial written by Oz Stoner for


How helpful was this article to you?

Related Articles

article Growing Indoors And Fire Extinguisher Safety
I know there's been plenty of times in the past 20 odd years of growing indoors when I have been worried about my house going up in flames due to something going wrong with electricity or over heating ect.The best way to use a fire extinguisher is to remember this P A S S.. Pull the Pin at the top of the...

  12-13-2010    Views: 10773   

Copyright OS 2008 - 2011