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Light: Difference between revisions
→Light spectrum
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The colour of light is dependant on the frequency of the light. see also [https://en.wikipedia.org/wiki/Electromagnetic_spectrum Electromagnetic spectrum]. Blue/purple light used to be standard in Cannabis growing but are slowing being replaced full-spectrum lights. Throughout the plant's life cycle different light spectrums are more important
=== low frequency light (below visible spectrum e.g Blue) ===
UV light rays can damage plants and stress them into creating more trichromes<ref>What light spectrum does weed need to grow? - Growing Cannabis 201: Advanced Grow Tips | Indica Institute - https://www.youtube.com/watch?v=NY0bB_Jmt5E</ref><ref>Pate, David W. (1983). "Possible role of ultraviolet radiation in evolution of Cannabis chemotypes" doi:10.1007/BF02904200</ref> UV lights specifically for growing are available but it is also possible to re-purpose a UV light intended for a reptile enclosure
==== UV A ====
==== UV B ====
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