you should be fine with the 440 cfm hooked to the cool tube with your size tent. i wouldnt worry about a 220 coming in, just open the fresh air inlets at the bottom of the tent, this should be plenty if you need it cooler then add ac outside the tent so cooler air is drawn in. the tent walls should be sucking in a lil bit(passive), not poofing out. it seems you are at optimal temps to me, the dirt on top will be a little warmer due to the light shining down on it. you can cool your feed down a lil bit but you dont wanna shock it with too much cold, to help cool it off, as long as theres no signs of distress then youre golden!, shell tell you when she needs something. the best thing for you to do is read about plant function and what they need to survive and how they function so you can play god to her and prevent any of the defficiencies from happening. prevention is key. especially with pests. I use an additive called tanlin, while a lil pricey its a great organic diomataceous earth pesticide that basically kills the bugs by turning to crystals in there stomachs and cutting them up on the inside and killing them, it can be used up to day of harvest, and is safe for humans and pets alike! i could only find it on the internet. keep your eye on her and check for bugs daily, the last thing you want is an infestation, the key is catching it early. if you do the tanlin just add it to your feed, and make up a spray bottle of it, use it in soil and as a foliar feed. remember when foliar feeding to pay attention to the underside of the leafs where the stomata are. thats how they absorb things! so green mojo friend and welcome to indoor growing!
