imo you must to if you wanna scrog properly. just "pinch" out the growth tips it's that simple.

turtle, i would start by topping the main stalk at the 4th node. then after a week or so i would top the secondary growth as well. then after another week or so i would top the tallest branches to allow others to catch up. then just keep topping the tallest branches every week or so. this keeps the plant short but very bushy. just make sure you give the plant 2 weeks to recuperate without any topping before you switch to 12/12
justaseed Reviewed by justaseed on . JUSTASEED i got some scrog Qs i need some As so i been searching the word SCROG, and i see your name coming up alot with very good info, let along very good pics. A+ heres my situation. im working with a 30in wide x 21in deep x 70" tall cabinet, im running 2 plants i wanted to go with 1 o.g.master kush (great tamatoes) and 1 blueberry (mmm blueberrys) but from reading your posts, i should keep to the same strain. ive gotten about 6 grows under my belt BUT no scrog, i built this set-up with scrog in mind. im using 2 waterfarms (hydrO) Rating: 5