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Fan Issue

floridaboy
floridaboystarted grow question 3 months ago
1 plant has yellowing leaves only at top of a few main colas. Other plant fine. Lower buds on both plants are fine. Light is at 62000 LUX (it's all I have), max is 75000. Forgot to press oscillate on fan after watering. 2 days gone, affected plant got no fan. Nutes same 4 both.
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Week 11
Leaves. Color - Yellow
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AsNoriu
AsNoriuanswered grow question 3 months ago
Its not only light burn , from too intense lights? Its nute burn too on first one. Second plant goes foxtaily too. Reduce temps and raise light, or at least reduce intensity of light.
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modmyplants
modmyplantsanswered grow question 3 months ago
Hey, your wavelengths are 660-665nm, 730-740nm, 3000-3200K, 6000-6500K, not CRI LED. Dont get fooled like others, you have a different spectrum, its Red+White+Blue LED 450+650nm+3500k. It doesnt include your cold light 6500k or far red 735nm still but better than the CRI LED option, thats just wrong. So definetly lower the values and stick to the graph of Mass Hydro, you can still check but then check for the right spectrum.
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Gnrlymsntrp81
Gnrlymsntrp81answered grow question 3 months ago
waveformlighting.com without an a sorry
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Gnrlymsntrp81
Gnrlymsntrp81answered grow question 3 months ago
I highly recommend the following page : waveformalighting.com 3500k led at 62000lux converts to 994.24 umol/s/m2. That's max when you want your ladies to look and feel good. You can go higher and get more yield, but your ladies won't look that good, what's absolutely OK, since you chop them down anyway;-)
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modmyplants
modmyplantsanswered grow question 3 months ago
62k would be 1600PPFD, which is a DLI( daliy light indicator) of 70 if you run 12 hours. You should aim for a DLI around 40, some strains go higher but 70 sounds crazy much. a DLI of 40 would mean 1000PPFD for 12hours, but i dont even think you need that maybe in late flower or late growth. I would put your lamp on a distance of 35cm, checking the data of your lamp. Dont know how you measured the ppfd, but its sound too much for your lamp anyways, you dont need those numbers and you dont have them. Did you put the "in shadow" mode on in your luxmeter or something? You can check the DLI yourself just google: DLI shedule cannabis And use a DLI to PPFD calculator+PPFD map of your lamp to get your DLI yourself
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