I have 4 cream of the crop "purple paralysis" ladies in veg for 5 weeks. they're under a 600watt mh light in 3 gallon pots. I'm using about 70/30 coco to perlite mix and feeding with canna a/b, rhizotonic, cannazym and calmag at half stregnth cause I heard canna tries to rip you off with the...