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- #341
camper2016
New Member
Well....I have the lights set on 100% but have the ballast set about 40" inches above the girls...now with the proper venting I can lower the ballast but I think there's plenty of light given the area the plants are in...read somewhere on this site if you adjust the light intensity too low with HPS it alters the spectrum affecting the plant's growth?? I'm sticking with that...if it's bunk let me know...