Purple stems ? Deficiency

I have this 2 clones blue dream and GSC on 3 weeks of flowers growing in a mixture of Pete Moss worm casting Feeding advance connoisseur been noticing the purple don’t know if it is normal or something else anyone had this issue? Is there an issue at all ?

More then likely just genetics....

no issue.

Red Eyed said:

More then likely just genetics....

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So genetics can you explain should I worry anything I can fix

Tonycannavis said:

So genetics can you explain should I worry anything I can fix

Click to expand...

Change nothing at all...in those pics the leaves from what I can see look very healthy.

As you can see.....some plants are just prone to purple stems regardless of how perfect the grow is.