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 
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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!
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