Grow Light Science: Spectrum Tuning, UVC Light & Under-Canopy Lighting Explained! (Garden Talk #167)

In this episode I interview Thomas Gibson, also known as, Grand Master Level. He has been gardening for over 30 years, and is the Founder & CEO of Grandmaster LEDs. Thomas has extensive knowledge when it comes to lighting for plants, and that’s what we get into in today’s episode. He talks about spectrum tuning, HPS vs LED, UVC light, under-canopy lighting, and more.

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