Hello friends. Happy Friday. First grow here. Tent is 4 ft tall. This gal is a Northern Lights Auto that sprouted through a 3 gal. grow bag filled with Fox Farm Ocean Forest. It sprouted 20 days ago and has only been fed RO water. Got some spots here that I’d love some thoughts on. I feel certain that I haven’t overwatered. PH was a little low at the beginning of the week but was at 6.5 today. PPM was 390 on Tuesday. Is this something I need to worry about and act upon? Thank you for reading!!!
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Random marking like that are normal and usually nothing to worry about. Check fan and heater placement because that one leaf kind of looks like wind burn or damage from a heater being too close.