And I have topped before, I got a few indoor runs under my belt, and I have experimented with topping indoors, as for indoor topping, ive done the side by side test, got 20 GDP plants, topped 10 of them, and didnt top the other 10, grew them indoors, full 8 week of flower, and in the end, each plant had close to the exact same weight .. the topped plants just had more smaller tops,. but the non-topped had one fatter top, same weight.. oh well. but yeah I didn't think I need to top outdoors, and now I'm not going to