Grow lighting

Hi, does anyone have valuable information on lighting topics thay they would like to share?
I need to know what spectra my plants requiere to increase their productivity?
Thanks

Hello my friend! Welcome to the Community!

If you use the searching tool (the magnifying glass on top right corner), you will see every conversation about “lights” topic. There is a lot of information, including links and charts.
Maybe you can check this article from de blog too:

Happy Growing!