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    Photosynthetic Photons and Color Rendering Index (CRI) for Cannabis

    Was researching the effects of different CRI's on cannabis growing to see if it mattered. Haven't been able to find out if say a light with a 90 CRI rating is better or worse than one at 70 for growing. I've noticed that lower cri's put out more Photosynthetic Photon Flux (PPF) than the higher...
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