A question from a fellow grower:
had a problem with red and purple stem
I can’t find anything explaining what it is.
I can up load photos if you would like.
Only new leaf are affected but the the red grows out.
By the time the next set of leafs appear
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Yes, more info would be very helpful! But I have also experienced this once before. Make sure you are following the directions on nutrient bottles. Also this is common when new growth is forming. Usually the plant will grow out of that. It can also be drowning in its oxygen if there is no air circulation. Or it could just be the strain you have. Vague answer for a vague question. Hope this helps!