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leaves getting yellow help..


New Member
Hi everyone im a new grower i did read alot and alot of blog on how to grow and i made my own grow box for 1 plant to get started with everything was going fine until i see 2 leaves that are getting yellow and i dont want this beautiful plant to die.. i would like to know what is this and how to fix this. i have 5 CFL 23 w 6500k open 18/6 its about 2 week of veg, i watered yesterday, temp is at 30°c here are some pictures.

thank you for your time

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