Its the main stem of the plant you want to watch. It should turn white at the base and then work its way up.

While you haave some leave damage, new growth looks healthy and nice. You dont have any real problems.

Easy on the nutes though. They dont need as much as people think.
HARDDON Reviewed by HARDDON on . red/purple veins i have read, so please do not tell me to go and read.. i just want to know what some of the other growers thought red veins was caused from, and how to cure? b/c i've got them!! Rating: 5