Purple stems

[Stallion47]

Hello everyone,,I am stallion47 a new grower,,,I have 3 plants and all of them are developing purple stems,,I've been on line trying to get solutions to this problem but to no avail,,,can someone please help.

[Mr.furley]

Welcome to the forum Stallion47
Could you take pictures in nature light, can tell what's up in the red light.

[Rwise]

In addition to clean pics, what is the strain, some strains just purple/pink/etc.