SmokeyMacPot
New Member
Identifying a true preflower is way to tell sex before 12/12. That way you can take clones from the known females without wasting the time and space on males.
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I hear so many people say they can only be sure after flowering under 12/12....I am not sure about that..
I have had 100% luck with pre-flowering plants, without photo-period changes, simply 24/0 the whole time.
Pre-flowers are the only way to go, IMO. By then, their biological clock is matured as well, so that is always a plus.
-Go