I mean no offense, but you are mistaken. I remove only half a centimeter of my plants tops with a nail clipper. Doing this allows the lower nodes to be exposed without sacrificing new growth. I will include a diagram here:
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the reason for this is that your plant requires less recovery, while still prioritizing growth to the internodes, allowing for a great bush, EVEN in 12/12. I will prove this in my grow thread on saturday, when I post my LST shots after only 4 weeks from seed