If you have your exhaust fan in the tent get it out and hook the tubing to the top of the tent and the inline fan wherever you can.if running a carbon filter you can use that as a stand for you inline fan.just make sure the tubing is connected to the top of the tent to uck the hot air out, and the inline fan can sit on the ground outside of the tent. that should give you a foot of headspace alone. the little stools you have are good idea for airflow. I have 15 dollar Honewell fans on my floor running full speed 24/7 and the ac infinity fans up top on my controler,in that tent you only need one on the floor and one up high in canopy level. as long as you line them up right. i use the side of the tent to bounce the air so its not directly hitting leaves, and also point the fans so they work in conjunction and not against each other. if you want to get real fancy you could use some smoke to see where the air is going kind of like in the car ads in the wind turbine... one thing i do like and is a benefit of a single plant scrog is the space and airflow below the canopy level. you can take a few of the older dying fan leaves off hat are in the way,but you are right that i wouldn't want to risk stressing the auto out