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Hello Guys!
Today I noticed a lot of brown / rusty spots on my plants sugar leaves, and I am wondering what it is and could be. I am concerned.
These are clones of a CBD strain.
PH always is 6.2
No diary = no information... but what it LOOKS like is a potassium deficiency... a good PK booster should fix her right up (but don't expect those leaves to look any better, they won't... but you shouldn't see the problems increasing after a couple of days).
Good luck! And start a diary!
I also had something like that. It was a nitrogen deficiency in my case. Another possibility would be that the roots got too much oxygen or the substrate dries too quickly again? Try to position the fan a little higher.
Kalium-Mangel würde ich tippen. wobei am falschen Ph wert könnte es auch liegen
Überfütterung eher nicht weil die restlichen Blätter keine zu dunkle Farbe haben