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Hi there, I have 3 plants that are 5 weeks into flowering and the leaves at the bottom are turning yellow and falling.
Is this normal? Is it a NPK deficiency?
The plants have been growing behind my living room curtain (window-grow), but i dont think it's lack of light.
:(
A picture would help. Yellowing in late flower is normal, but it's a tad early for that.
The window is a problem. Not nearly enough hours of direct light, and how do you keep them in total darkness during the darkness period?
I will post pic ASAP. I dont think light is a problem because the plants get like 13 hours of light and at night they have total darkness