Here is a few pics of 1 my ak autos she is fattening up fine but has now turned purple is this anything to concern with.it’s an indoor grow in all mix bio biz under a spider farmer se3000 v2 led ,what I have researched seems to say it’s an ok thing but as I’m a beginner and never saw this before was just curious.description says 8/10 weeks but she is in week 12 just now ,I know autos do there own thing so timescale is not a concern don’t think any I grown so far have been ready in 8/10 weeks.any advice welcome ty