Bigger is better for fans. You can always turn it down with a speed controller. The filter reduces reducesthe cfms alot. I have a 6 inch in each tent and they do a very good job.
I use ONA for odor control when i smoke, and will turn it on when the tent is open. I would get the ona liquid instead of the gel. you can mix it with soil moist and water, put it in a bucket with holes drilled, an put a fan on it. It works unbelievably well. You can smoke and 5 minutes later the room smells like it was just cleaned
I use ONA for odor control when i smoke, and will turn it on when the tent is open. I would get the ona liquid instead of the gel. you can mix it with soil moist and water, put it in a bucket with holes drilled, an put a fan on it. It works unbelievably well. You can smoke and 5 minutes later the room smells like it was just cleaned