No problem im doing research on scrog height right now. the average seems around 1/1.5 Ft and mine was actually a bit too tall.
You can use PVC pipes too for a grid to string across and you can make downward poles without nails or screws going out of the grid.
You can use PVC pipes too for a grid to string across and you can make downward poles without nails or screws going out of the grid.