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Light specrum for vegetation?

NarcissisticEchostarted grow question 4y ago

Hello! I don't know science at all) With which light spectrum bulbs should I buy of these? I know, that blue spectrum is important, so should it be lights with blue on graphic higher ⬆️ or longer ➡️? I mean these "rainbow" graphics :) For now I'm having full specrum bulbs (pic 1)

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Setup. Lighting

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KushGANGanswered grow question 4y ago

Hello in general for vegetation you must have blue spectrum 6400° K and for flowering red spectrum 2700°K . this indications are write on the box of bulbs. Good luck

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Organomananswered grow question 4y ago

You would be much better off buying a dedicated panel LED full spectrum combined grow and bloom light. (ebay/amazon etc) The bulbs you are showing might be ok for a small vegetative plant, but will not really be adequate for good flower production.

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BraveheartGeneticsanswered grow question 4y ago

Sorry, the Third one. 15W Ra90

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BraveheartGeneticsanswered grow question 4y ago

None of them will be great but will do the job. I would pick the second on. Better light spectrum then just red and blue. Fit 8-10 of those onto a bit of ply and wire together. Remember to take the diffusion dome off so not to restrict any light. Good luck and happy growing

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