Mind growing
![When and how to use growing lights](http://botanium.se/cdn/shop/articles/IMG_0828.jpg?v=1519059503)
How do you use artificial light when growing plants? Is it really needed, and what light should you use? What about these pink "grow lights" that have become common the last years?
How do you use artificial light when growing plants? Is it really needed, and what light should you use? What about these pink "grow lights" that have become common the last years?