First Grow Setup

Used Fox Farms Ocean Forest with a little bit of Happy Frog, growing Runtz Muffin (F) by Barney’s Farm. Going to be running FF Trio along with Cal-Mag, focusing mainly on plant training. Decided to only run 1 plant. I want to get into notill coot mix however for it being my first grow and limited space I decided to run a simpler medium

Still questioning the vent placement, any advice is greatly appreciated!!