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Dark spots on leaves, developing fast.
dzdr2023started grow question 3 years ago
What is this guy's?
It is tenth week of life of this plant.
Please help.
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Leaves. Color - Dark-brown
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Homestickycannabisanswered grow question 3 years ago
Hey there dzdr. IMHO it's call mag def and if not checked it will destroy a plant. Its something I deal with every grow. Partly due to using R.O water and not providing calcium and magnesium which is filtered out . Also could be caused by pH imbalance leading to lock out. The good thing about cal-mag supolements is it's hard to over do it. Also check out the stems of the leaves and smaller branches if purple or violet color are showing it's a sign of cal mag def. Hopeful this will help my friend.
CHEERS!!!
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