depends on your setup.... if you wanna ventalte it the best way.. get some 6'' ducting a cooltube and a fan... with that you could get plants within inches of the light
you dont need much for a 250......defintetely not a 6 inch inline fan or anything.....just a small circulating fan in your room and some fresh air coming in and your set
Thank you thank you... That's all I was lookin for. I didn't post right away cause I was searching but I found so many different answers. I just wanted to ask my self. 'Preciate it yo.