I am thinking i have a bad case of light burn. I have been having problems all month! Leaves and stems are turning red. I believe i had a potassium problem at the begining of this month and regularly started checking run off. What do you think?
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Vivosun 2 X 4 X 5 grow tent
Viparspectra 450W and 300W LED
Vivosun 4" inline duct fan with carbon scrubber
2 small 6" fans
Promix HP
GH Flora Trio with CalMag -
Looks like natural coloring to me but I could be wrong. Maybe someone else has another suggestion for you. I just don't see anything that seems wrong with the leaves and if you're already over 4 weeks into flower that's when it usually occurs I think. I had a strain that had purple coloring and it didn't really start until around week 7-8 I believe, was completely green before that. -
I don't see curling of the leaf edges or specific yellowing of the leaf tips. Which as I understand it, happens with light burn. Are the problems worse as you get closer to the lights? Check the troubleshooting tutorials above.Comment
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It seems to be spreading from the bottom up i still have a few light green leaves on new growth. I found something called molybdenum deficiency but it says it is rare. Some of the tips of the leaves are burnt and curled up.
Vivosun 2 X 4 X 5 grow tent
Viparspectra 450W and 300W LED
Vivosun 4" inline duct fan with carbon scrubber
2 small 6" fans
Promix HP
GH Flora Trio with CalMagComment
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Looks like a ph issue640 watt hlg quantum board
320 watt diy chilled pucks x4
300 watt mars hydro sp3000
150 watt hlg quantum board
100 watt spider farmer led x2
organic soil with earth dust dry amendments
Water only i don't check ph
6 pot fabric autopots with GH trio nutesComment
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I think i will recalibrate my PH pen and go from there! Thanks Cloud
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