Thanks, I'm trying hard but I'm having a lot of beginners problems, so I really, really appreciate your help! I am changing the setup of my growroom as I am building it. This is how my grow looks like now.

The plants in the back are 21 days old and the ones in the front 15 days old.

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The first from the left is the one with the yellow spots. The other one on the right the same age.

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This one, left from the back row got heat burnt by accident, I hope it will catch up soon enough.

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And bellow some close ups and a question on something I heard by Jorge Cervantes and I wonder if the same is happening here? I've noticed that the points on the leaves are slightly curled inward, does that indicate too much heat. I am keeping the temperature at 23-25C. Thanks!

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