Can this be fixed?

[jkl81]

Stem has purple lines from top to bottom all the way around. How do you fix this

 

[chris42393]

Could be mag deficiency, cold temps, PH problems or just genetics. Personally, when my plant had that, i gave it some cal/mag and the purple stems wet away.

 

[Cx2H]

Could be mag deficiency, cold temps, PH problems or just genetics. Personally, when my plant had that, i gave it some cal/mag and the purple stems wet away.

Same here ca:mg turns ma stalks green again.

 

[Cx2H]

And you got feathering going on, hot in there?