growing with coco is like growing with rock wool. you need to treat it as hydro. Everytime you water you should get 25% runoff and measure runoff ec. It shouldn't be much higher than the input ec. If you let it dry out. chances are your ec is the coco is way too high. Flush it once with straight...
i cannot believe weed is still illegal in some parts of the world.
But yeah no need to sex plants until they flower. You'll have plenty of time to pluck the males out. maybe keep one male to make more seeds or even go colloidal silver and make feminized seeds:weed:
purple stems are nothing to worry about. but you definitely overfed at some point. overfeeding can cause elements to compete with each other and show deficiencies. keep up the good work
Chopping today, no point in letting it go further, some pm is starting and bud rot is near. I like my weed ripe, this one will be a little unripe. Still good weight as the branches are almost touching the ground