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Search the Community: Showing results for tags 'ultraviolet'.



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  1. Hi guys, After doing plenty of research it would seem that supplemental UV is definitely the way to go to maximise both THC and Terpene levels, and especially in terms of growing sativas. I've also noted extra blue light in veg will keep plants shorter and stockier, which is useful for sats too. So wondering what people are using? I imagine reptile tank fluoros will help a bit, but wondering what other options might be out there, and what people have had success with etc. Very interested to do some experiments of my own soon. Going to be adding some UV for a period during flowering, alongside the 400w dual spec HPS I'm using...