bio-bloom

Hello, two days ago I discovered a few brown spots on the upper leafs of one of my Early Queens. As I'm not sure what exactly causes this problem, I want to ask you guys. Is it a calcium deficiency, what do you think? Medium is dirt, fertilized with Bio-Bizz (Bio-Grow, Bio-Bloom...

Afternoon, I have been lurking (unregistered) around these forums for a few years, So today I decided I would actually post my own grow room. Anyway... I currently Have 5 Plants 1 Being a mother white widow (from her I have taken 9 cuttings) but I decided to flower her on the 14th of june as...