Many people are under the assumption that pink/purple plant lights are responsible for enhancing plant coloration. Although in some cases there is some truth to that, it's not from the spectrum alone. Part of the element to enhancing red pigmentation is the mineral "iron", but iron alone is also not the magic wand. Unless your plant has an iron deficiency, giving it more iron will not alter the pigment on it's own. Red and blue colored lights have nothing special about them that aids in the pigments of chlorophyll. If this were true, then sunlight wouldn't have any effect. Remember, the only difference between RED/BLUE lights and WHITE lights, is the absence of green light. In other words, white light already IS red and blue. When people purchase plant lights that have never used supplemental lighting in the past, they immediately think it has something to do with purple light. That is where the assumptions get deluded and regurgitated into false facts. The only literal difference is the fact that the amount of photons the plant is receiving has increased. There is truth on the subject of increased red light will increase the amount of flowering, but that's not what this discussion was about. For more information on that, watch my other video linked here. By the way, Happy Holidays! Get it?? ...Red and Green

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