Quote:
Originally Posted by Overmind1632
halt its vert growth with either low stress training or topping
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I just started a lr2 grow myself

I'm doing 18/6 tho. Anyway, don't top your lr2- its life cycle is too short to recover from it. The lr 2 wont get tall, but if you are concerned about height, then i guess you could lst it. From what i've read, you probably won't need to bother with it.
You can sex the plant when it begins to flower- check out the sticky about sexing plants, it has great pics to help you.
Hope you have a good grow.