The yellowing that you're concerned of is normal as others have said, the plants simply draining all of its nutrients into the bud to get it to grow as big and good as it can, Good grow by the way.
Joel Reviewed by Joel on . First Crack at cabinet grow.. Okay, so I went and bought a few hundred dollars of stuff someone would only want if they really were best friends with Mary Jane. I purchased one 400w switchable ballast and lamp using sun system 2 hood and hortilux eye hps bulb for now. Made a cabinet (i suck at using tools) that is about 4x30''dx4h. I was thinking after I built it to go higher which I could by unscrewing top and adding an extension, was thinking 1.5ft higher so I dont have to worry too much about stretch and not having any Rating: 5