Need help diagnosing spots on leaves
- Thread starter Skillcraft
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Old_fart_stoner
Well-Known Member
Get some other opinions but looks to me like an Mg issue.
Skillcraft
Well-Known Member
It has just started and is only on the top leaves closest to the lights if that helps.
Skillcraft
Well-Known Member
Th
Thank you for the info. Much appreciated
Take a pic of the entire plant. Mg and Ca usually show in the middle of the plant, Mg shows as interveinal chlorosis and Ca as punctate brown/rust spots.
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MickFoster
Well-Known Member
Looks like a calcium deficiency.
What is your medium and feeding schedule?
What is your medium and feeding schedule?
Skillcraft
Well-Known Member
It is growing in dwc. Using flora series full line. I run it at 1000 ppm and keep humidity around 50%. I have 2 electric sky 180s for lighting. I keep my lumens around 92k and am keeping 13 hours of darkness. I hope this is enough info. Thank you for your replies.
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MickFoster
Well-Known Member
Beautiful plant.
I'm no expert but it doesn't look like light burn.
Are you adding a calcium/magnesium supplement?
What is your water supply?
I'm no expert but it doesn't look like light burn.
Are you adding a calcium/magnesium supplement?
What is your water supply?
SmokeyExcursion
Well-Known Member
Wait it out a couple of days. Early signs of a problem are hard to read sometimes. You could always add Cal mag until you have 11-1200ppm as a preventative measure. Just as long as you dont have precipitation and fallout. its almost impossible to burn a plant with Cal mag.
Skillcraft
Well-Known Member
Thank you for the info. Much appreciated
hotrodharley
Well-Known Member
Is your pH remaining stable? If not how long after adjustment before it starts to drift? And what do the roots look like? Standard question in DWC when there’s issues.
Skillcraft
Well-Known Member
My ph is stable at around 6.my root
My roots look great. The ph stays between 6.0 - 6.3.
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